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Finding the Fourth Proportional to 160,624.18, 240,918.04 and 42,304.78

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Solution

The fourth proportional to 160,624.18, 240,918.04 and 42,304.78 is: 63,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,624.18 : 240,918.04 = 42,304.78 : x
  2. Step 2: Convert to fraction form
    160,624.18/240,918.04 = 42,304.78/x
  3. Step 3: Cross multiply
    160,624.18x = 240,918.04 × 42,304.78
  4. Step 4: Simplify right side
    160,624.18x = 10,191,983,264.12
  5. Step 5: Solve for x
    x = 10,191,983,264.12/160,624.18
  6. Step 6: Final answer
    x = 63,452.36

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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.