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Finding the Fourth Proportional to 93,677.96, 129,287.90 and 53,382.49

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Solution

The fourth proportional to 93,677.96, 129,287.90 and 53,382.49 is: 73,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,677.96 : 129,287.90 = 53,382.49 : x
  2. Step 2: Convert to fraction form
    93,677.96/129,287.90 = 53,382.49/x
  3. Step 3: Cross multiply
    93,677.96x = 129,287.90 × 53,382.49
  4. Step 4: Simplify right side
    93,677.96x = 6,901,709,839.11
  5. Step 5: Solve for x
    x = 6,901,709,839.11/93,677.96
  6. Step 6: Final answer
    x = 73,674.85

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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.