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Finding the Fourth Proportional to 175,352.80, 242,001.72 and 98,886.64

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Solution

The fourth proportional to 175,352.80, 242,001.72 and 98,886.64 is: 136,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,352.80 : 242,001.72 = 98,886.64 : x
  2. Step 2: Convert to fraction form
    175,352.80/242,001.72 = 98,886.64/x
  3. Step 3: Cross multiply
    175,352.80x = 242,001.72 × 98,886.64
  4. Step 4: Simplify right side
    175,352.80x = 23,930,736,965.02
  5. Step 5: Solve for x
    x = 23,930,736,965.02/175,352.80
  6. Step 6: Final answer
    x = 136,471.94

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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.