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Finding the Fourth Proportional to 179,017, 247,045.27 and 98,445.08

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Solution

The fourth proportional to 179,017, 247,045.27 and 98,445.08 is: 135,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,017 : 247,045.27 = 98,445.08 : x
  2. Step 2: Convert to fraction form
    179,017/247,045.27 = 98,445.08/x
  3. Step 3: Cross multiply
    179,017x = 247,045.27 × 98,445.08
  4. Step 4: Simplify right side
    179,017x = 24,320,391,368.77
  5. Step 5: Solve for x
    x = 24,320,391,368.77/179,017
  6. Step 6: Final answer
    x = 135,855.21

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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.