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Finding the Fourth Proportional to 93,606.91, 129,177.59 and 51,165.43

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Solution

The fourth proportional to 93,606.91, 129,177.59 and 51,165.43 is: 70,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,606.91 : 129,177.59 = 51,165.43 : x
  2. Step 2: Convert to fraction form
    93,606.91/129,177.59 = 51,165.43/x
  3. Step 3: Cross multiply
    93,606.91x = 129,177.59 × 51,165.43
  4. Step 4: Simplify right side
    93,606.91x = 6,609,426,938.71
  5. Step 5: Solve for x
    x = 6,609,426,938.71/93,606.91
  6. Step 6: Final answer
    x = 70,608.32

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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.