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Finding the Fourth Proportional to 155,854.60, 233,781.90 and 149,633.80

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Solution

The fourth proportional to 155,854.60, 233,781.90 and 149,633.80 is: 224,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,854.60 : 233,781.90 = 149,633.80 : x
  2. Step 2: Convert to fraction form
    155,854.60/233,781.90 = 149,633.80/x
  3. Step 3: Cross multiply
    155,854.60x = 233,781.90 × 149,633.80
  4. Step 4: Simplify right side
    155,854.60x = 34,981,674,068.22
  5. Step 5: Solve for x
    x = 34,981,674,068.22/155,854.60
  6. Step 6: Final answer
    x = 224,450.70

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1.5x scale

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.