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Finding the Fourth Proportional to 173,663.68, 239,575.44 and 102,042.40

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Solution

The fourth proportional to 173,663.68, 239,575.44 and 102,042.40 is: 140,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,663.68 : 239,575.44 = 102,042.40 : x
  2. Step 2: Convert to fraction form
    173,663.68/239,575.44 = 102,042.40/x
  3. Step 3: Cross multiply
    173,663.68x = 239,575.44 × 102,042.40
  4. Step 4: Simplify right side
    173,663.68x = 24,446,852,878.66
  5. Step 5: Solve for x
    x = 24,446,852,878.66/173,663.68
  6. Step 6: Final answer
    x = 140,771.25

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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.