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Finding the Fourth Proportional to 160,538.41, 240,809.43 and 42,221.71

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Solution

The fourth proportional to 160,538.41, 240,809.43 and 42,221.71 is: 63,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,538.41 : 240,809.43 = 42,221.71 : x
  2. Step 2: Convert to fraction form
    160,538.41/240,809.43 = 42,221.71/x
  3. Step 3: Cross multiply
    160,538.41x = 240,809.43 × 42,221.71
  4. Step 4: Simplify right side
    160,538.41x = 10,167,385,918.73
  5. Step 5: Solve for x
    x = 10,167,385,918.73/160,538.41
  6. Step 6: Final answer
    x = 63,333.04

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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.