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Finding the Fourth Proportional to 238,772.63, 358,161.38 and 72,560.63

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Solution

The fourth proportional to 238,772.63, 358,161.38 and 72,560.63 is: 108,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,772.63 : 358,161.38 = 72,560.63 : x
  2. Step 2: Convert to fraction form
    238,772.63/358,161.38 = 72,560.63/x
  3. Step 3: Cross multiply
    238,772.63x = 358,161.38 × 72,560.63
  4. Step 4: Simplify right side
    238,772.63x = 25,988,413,220.86
  5. Step 5: Solve for x
    x = 25,988,413,220.86/238,772.63
  6. Step 6: Final answer
    x = 108,841.68

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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.