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Finding the Fourth Proportional to 173,510.66, 239,445.35 and 100,930.97

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Solution

The fourth proportional to 173,510.66, 239,445.35 and 100,930.97 is: 139,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,510.66 : 239,445.35 = 100,930.97 : x
  2. Step 2: Convert to fraction form
    173,510.66/239,445.35 = 100,930.97/x
  3. Step 3: Cross multiply
    173,510.66x = 239,445.35 × 100,930.97
  4. Step 4: Simplify right side
    173,510.66x = 24,167,449,735.61
  5. Step 5: Solve for x
    x = 24,167,449,735.61/173,510.66
  6. Step 6: Final answer
    x = 139,285.10

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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.