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Finding the Fourth Proportional to 219,524.69, 329,248.76 and 61,715.63

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Solution

The fourth proportional to 219,524.69, 329,248.76 and 61,715.63 is: 92,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,524.69 : 329,248.76 = 61,715.63 : x
  2. Step 2: Convert to fraction form
    219,524.69/329,248.76 = 61,715.63/x
  3. Step 3: Cross multiply
    219,524.69x = 329,248.76 × 61,715.63
  4. Step 4: Simplify right side
    219,524.69x = 20,319,792,695.30
  5. Step 5: Solve for x
    x = 20,319,792,695.30/219,524.69
  6. Step 6: Final answer
    x = 92,562.68

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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.