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Finding the Fourth Proportional to 93,687.73, 129,292.11 and 51,246.22

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Solution

The fourth proportional to 93,687.73, 129,292.11 and 51,246.22 is: 70,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,687.73 : 129,292.11 = 51,246.22 : x
  2. Step 2: Convert to fraction form
    93,687.73/129,292.11 = 51,246.22/x
  3. Step 3: Cross multiply
    93,687.73x = 129,292.11 × 51,246.22
  4. Step 4: Simplify right side
    93,687.73x = 6,625,731,913.32
  5. Step 5: Solve for x
    x = 6,625,731,913.32/93,687.73
  6. Step 6: Final answer
    x = 70,721.45

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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.