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Finding the Fourth Proportional to 155,658.50, 233,487.93 and 43,338.97

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Solution

The fourth proportional to 155,658.50, 233,487.93 and 43,338.97 is: 65,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,658.50 : 233,487.93 = 43,338.97 : x
  2. Step 2: Convert to fraction form
    155,658.50/233,487.93 = 43,338.97/x
  3. Step 3: Cross multiply
    155,658.50x = 233,487.93 × 43,338.97
  4. Step 4: Simplify right side
    155,658.50x = 10,119,125,809.91
  5. Step 5: Solve for x
    x = 10,119,125,809.91/155,658.50
  6. Step 6: Final answer
    x = 65,008.50

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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.