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Finding the Fourth Proportional to 268,632.39, 402,440.61 and 158,759.46

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Solution

The fourth proportional to 268,632.39, 402,440.61 and 158,759.46 is: 237,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,632.39 : 402,440.61 = 158,759.46 : x
  2. Step 2: Convert to fraction form
    268,632.39/402,440.61 = 158,759.46/x
  3. Step 3: Cross multiply
    268,632.39x = 402,440.61 × 158,759.46
  4. Step 4: Simplify right side
    268,632.39x = 63,891,253,925.67
  5. Step 5: Solve for x
    x = 63,891,253,925.67/268,632.39
  6. Step 6: Final answer
    x = 237,838.98

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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.