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Finding the Fourth Proportional to 114,220.80, 157,624.56 and 63,920.16

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Solution

The fourth proportional to 114,220.80, 157,624.56 and 63,920.16 is: 88,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,220.80 : 157,624.56 = 63,920.16 : x
  2. Step 2: Convert to fraction form
    114,220.80/157,624.56 = 63,920.16/x
  3. Step 3: Cross multiply
    114,220.80x = 157,624.56 × 63,920.16
  4. Step 4: Simplify right side
    114,220.80x = 10,075,387,095.13
  5. Step 5: Solve for x
    x = 10,075,387,095.13/114,220.80
  6. Step 6: Final answer
    x = 88,209.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.