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Finding the Fourth Proportional to 173,248.56, 239,103.72 and 105,276.60

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Solution

The fourth proportional to 173,248.56, 239,103.72 and 105,276.60 is: 145,294.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,248.56 : 239,103.72 = 105,276.60 : x
  2. Step 2: Convert to fraction form
    173,248.56/239,103.72 = 105,276.60/x
  3. Step 3: Cross multiply
    173,248.56x = 239,103.72 × 105,276.60
  4. Step 4: Simplify right side
    173,248.56x = 25,172,026,688.95
  5. Step 5: Solve for x
    x = 25,172,026,688.95/173,248.56
  6. Step 6: Final answer
    x = 145,294.29

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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.