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Finding the Fourth Proportional to 183,456,289.80, 275,184,434.70 and 169,426,247.40

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Solution

The fourth proportional to 183,456,289.80, 275,184,434.70 and 169,426,247.40 is: 254,139,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,456,289.80 : 275,184,434.70 = 169,426,247.40 : x
  2. Step 2: Convert to fraction form
    183,456,289.80/275,184,434.70 = 169,426,247.40/x
  3. Step 3: Cross multiply
    183,456,289.80x = 275,184,434.70 × 169,426,247.40
  4. Step 4: Simplify right side
    183,456,289.80x = 46,623,466,114,111,344
  5. Step 5: Solve for x
    x = 46,623,466,114,111,344/183,456,289.80
  6. Step 6: Final answer
    x = 254,139,371.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.