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Finding the Fourth Proportional to 114,885.92, 172,104.24 and 75,322.28

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Solution

The fourth proportional to 114,885.92, 172,104.24 and 75,322.28 is: 112,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,885.92 : 172,104.24 = 75,322.28 : x
  2. Step 2: Convert to fraction form
    114,885.92/172,104.24 = 75,322.28/x
  3. Step 3: Cross multiply
    114,885.92x = 172,104.24 × 75,322.28
  4. Step 4: Simplify right side
    114,885.92x = 12,963,283,754.47
  5. Step 5: Solve for x
    x = 12,963,283,754.47/114,885.92
  6. Step 6: Final answer
    x = 112,836.14

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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.