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Finding the Fourth Proportional to 169,490.60, 233,917.82 and 97,870.52

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Solution

The fourth proportional to 169,490.60, 233,917.82 and 97,870.52 is: 135,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,490.60 : 233,917.82 = 97,870.52 : x
  2. Step 2: Convert to fraction form
    169,490.60/233,917.82 = 97,870.52/x
  3. Step 3: Cross multiply
    169,490.60x = 233,917.82 × 97,870.52
  4. Step 4: Simplify right side
    169,490.60x = 22,893,658,680.67
  5. Step 5: Solve for x
    x = 22,893,658,680.67/169,490.60
  6. Step 6: Final answer
    x = 135,073.32

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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.