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Finding the Fourth Proportional to 183,477.80, 275,216.70 and 78,501.80

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Solution

The fourth proportional to 183,477.80, 275,216.70 and 78,501.80 is: 117,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,477.80 : 275,216.70 = 78,501.80 : x
  2. Step 2: Convert to fraction form
    183,477.80/275,216.70 = 78,501.80/x
  3. Step 3: Cross multiply
    183,477.80x = 275,216.70 × 78,501.80
  4. Step 4: Simplify right side
    183,477.80x = 21,605,006,340.06
  5. Step 5: Solve for x
    x = 21,605,006,340.06/183,477.80
  6. Step 6: Final answer
    x = 117,752.70

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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.