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Finding the Fourth Proportional to 173,909.52, 239,988.29 and 98,458.02

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Solution

The fourth proportional to 173,909.52, 239,988.29 and 98,458.02 is: 135,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,909.52 : 239,988.29 = 98,458.02 : x
  2. Step 2: Convert to fraction form
    173,909.52/239,988.29 = 98,458.02/x
  3. Step 3: Cross multiply
    173,909.52x = 239,988.29 × 98,458.02
  4. Step 4: Simplify right side
    173,909.52x = 23,628,771,364.30
  5. Step 5: Solve for x
    x = 23,628,771,364.30/173,909.52
  6. Step 6: Final answer
    x = 135,868.19

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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.