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Finding the Fourth Proportional to 86,319.52, 119,124.17 and 47,558.93

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Solution

The fourth proportional to 86,319.52, 119,124.17 and 47,558.93 is: 65,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,319.52 : 119,124.17 = 47,558.93 : x
  2. Step 2: Convert to fraction form
    86,319.52/119,124.17 = 47,558.93/x
  3. Step 3: Cross multiply
    86,319.52x = 119,124.17 × 47,558.93
  4. Step 4: Simplify right side
    86,319.52x = 5,665,418,412.38
  5. Step 5: Solve for x
    x = 5,665,418,412.38/86,319.52
  6. Step 6: Final answer
    x = 65,633.11

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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.