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Finding the Fourth Proportional to 160,604, 240,920.85 and 42,275.96

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Solution

The fourth proportional to 160,604, 240,920.85 and 42,275.96 is: 63,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,604 : 240,920.85 = 42,275.96 : x
  2. Step 2: Convert to fraction form
    160,604/240,920.85 = 42,275.96/x
  3. Step 3: Cross multiply
    160,604x = 240,920.85 × 42,275.96
  4. Step 4: Simplify right side
    160,604x = 10,185,160,217.77
  5. Step 5: Solve for x
    x = 10,185,160,217.77/160,604
  6. Step 6: Final answer
    x = 63,417.85

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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.