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Finding the Fourth Proportional to 79,681.86, 119,484.66 and 46,411.41

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Solution

The fourth proportional to 79,681.86, 119,484.66 and 46,411.41 is: 69,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,681.86 : 119,484.66 = 46,411.41 : x
  2. Step 2: Convert to fraction form
    79,681.86/119,484.66 = 46,411.41/x
  3. Step 3: Cross multiply
    79,681.86x = 119,484.66 × 46,411.41
  4. Step 4: Simplify right side
    79,681.86x = 5,545,451,543.97
  5. Step 5: Solve for x
    x = 5,545,451,543.97/79,681.86
  6. Step 6: Final answer
    x = 69,594.91

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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.