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Finding the Fourth Proportional to 93,614.52, 129,187.86 and 51,173.05

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Solution

The fourth proportional to 93,614.52, 129,187.86 and 51,173.05 is: 70,618.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,614.52 : 129,187.86 = 51,173.05 : x
  2. Step 2: Convert to fraction form
    93,614.52/129,187.86 = 51,173.05/x
  3. Step 3: Cross multiply
    93,614.52x = 129,187.86 × 51,173.05
  4. Step 4: Simplify right side
    93,614.52x = 6,610,936,304.30
  5. Step 5: Solve for x
    x = 6,610,936,304.30/93,614.52
  6. Step 6: Final answer
    x = 70,618.71

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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.