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Finding the Fourth Proportional to 72,352.59, 108,565.88 and 34,444.69

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Solution

The fourth proportional to 72,352.59, 108,565.88 and 34,444.69 is: 51,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,352.59 : 108,565.88 = 34,444.69 : x
  2. Step 2: Convert to fraction form
    72,352.59/108,565.88 = 34,444.69/x
  3. Step 3: Cross multiply
    72,352.59x = 108,565.88 × 34,444.69
  4. Step 4: Simplify right side
    72,352.59x = 3,739,518,081.18
  5. Step 5: Solve for x
    x = 3,739,518,081.18/72,352.59
  6. Step 6: Final answer
    x = 51,684.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.