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Finding the Fourth Proportional to 175,506.56, 242,203.20 and 100,062.08

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Solution

The fourth proportional to 175,506.56, 242,203.20 and 100,062.08 is: 138,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,506.56 : 242,203.20 = 100,062.08 : x
  2. Step 2: Convert to fraction form
    175,506.56/242,203.20 = 100,062.08/x
  3. Step 3: Cross multiply
    175,506.56x = 242,203.20 × 100,062.08
  4. Step 4: Simplify right side
    175,506.56x = 24,235,355,974.66
  5. Step 5: Solve for x
    x = 24,235,355,974.66/175,506.56
  6. Step 6: Final answer
    x = 138,088.03

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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.