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Finding the Fourth Proportional to 173,784.64, 239,793.60 and 101,202.88

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Solution

The fourth proportional to 173,784.64, 239,793.60 and 101,202.88 is: 139,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,784.64 : 239,793.60 = 101,202.88 : x
  2. Step 2: Convert to fraction form
    173,784.64/239,793.60 = 101,202.88/x
  3. Step 3: Cross multiply
    173,784.64x = 239,793.60 × 101,202.88
  4. Step 4: Simplify right side
    173,784.64x = 24,267,802,925.57
  5. Step 5: Solve for x
    x = 24,267,802,925.57/173,784.64
  6. Step 6: Final answer
    x = 139,642.97

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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.