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Finding the Fourth Proportional to 220,326.57, 304,052.58 and 119,724.57

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Solution

The fourth proportional to 220,326.57, 304,052.58 and 119,724.57 is: 165,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,326.57 : 304,052.58 = 119,724.57 : x
  2. Step 2: Convert to fraction form
    220,326.57/304,052.58 = 119,724.57/x
  3. Step 3: Cross multiply
    220,326.57x = 304,052.58 × 119,724.57
  4. Step 4: Simplify right side
    220,326.57x = 36,402,564,397.89
  5. Step 5: Solve for x
    x = 36,402,564,397.89/220,326.57
  6. Step 6: Final answer
    x = 165,220.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.