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Finding the Fourth Proportional to 183,999.90, 275,999.85 and 154,256.70

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Solution

The fourth proportional to 183,999.90, 275,999.85 and 154,256.70 is: 231,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,999.90 : 275,999.85 = 154,256.70 : x
  2. Step 2: Convert to fraction form
    183,999.90/275,999.85 = 154,256.70/x
  3. Step 3: Cross multiply
    183,999.90x = 275,999.85 × 154,256.70
  4. Step 4: Simplify right side
    183,999.90x = 42,574,826,061.50
  5. Step 5: Solve for x
    x = 42,574,826,061.50/183,999.90
  6. Step 6: Final answer
    x = 231,385.05

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1.5x scale

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.