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Finding the Fourth Proportional to 93,605.59, 129,169.74 and 53,318.62

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Solution

The fourth proportional to 93,605.59, 129,169.74 and 53,318.62 is: 73,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,605.59 : 129,169.74 = 53,318.62 : x
  2. Step 2: Convert to fraction form
    93,605.59/129,169.74 = 53,318.62/x
  3. Step 3: Cross multiply
    93,605.59x = 129,169.74 × 53,318.62
  4. Step 4: Simplify right side
    93,605.59x = 6,887,152,282.56
  5. Step 5: Solve for x
    x = 6,887,152,282.56/93,605.59
  6. Step 6: Final answer
    x = 73,576.29

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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.