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Finding the Fourth Proportional to 86,308.52, 119,089.86 and 48,574.76

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Solution

The fourth proportional to 86,308.52, 119,089.86 and 48,574.76 is: 67,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,308.52 : 119,089.86 = 48,574.76 : x
  2. Step 2: Convert to fraction form
    86,308.52/119,089.86 = 48,574.76/x
  3. Step 3: Cross multiply
    86,308.52x = 119,089.86 × 48,574.76
  4. Step 4: Simplify right side
    86,308.52x = 5,784,761,367.93
  5. Step 5: Solve for x
    x = 5,784,761,367.93/86,308.52
  6. Step 6: Final answer
    x = 67,024.22

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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.