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Finding the Fourth Proportional to 66,565.76, 99,737.93 and 46,802.89

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Solution

The fourth proportional to 66,565.76, 99,737.93 and 46,802.89 is: 70,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,565.76 : 99,737.93 = 46,802.89 : x
  2. Step 2: Convert to fraction form
    66,565.76/99,737.93 = 46,802.89/x
  3. Step 3: Cross multiply
    66,565.76x = 99,737.93 × 46,802.89
  4. Step 4: Simplify right side
    66,565.76x = 4,668,023,234.28
  5. Step 5: Solve for x
    x = 4,668,023,234.28/66,565.76
  6. Step 6: Final answer
    x = 70,126.49

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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.