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Finding the Fourth Proportional to 141,762.60, 195,545.88 and 84,363.42

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Solution

The fourth proportional to 141,762.60, 195,545.88 and 84,363.42 is: 116,370.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,762.60 : 195,545.88 = 84,363.42 : x
  2. Step 2: Convert to fraction form
    141,762.60/195,545.88 = 84,363.42/x
  3. Step 3: Cross multiply
    141,762.60x = 195,545.88 × 84,363.42
  4. Step 4: Simplify right side
    141,762.60x = 16,496,919,203.71
  5. Step 5: Solve for x
    x = 16,496,919,203.71/141,762.60
  6. Step 6: Final answer
    x = 116,370.04

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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.