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Finding the Fourth Proportional to 586,112.70, 879,082.65 and 165,431.10

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Solution

The fourth proportional to 586,112.70, 879,082.65 and 165,431.10 is: 248,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,112.70 : 879,082.65 = 165,431.10 : x
  2. Step 2: Convert to fraction form
    586,112.70/879,082.65 = 165,431.10/x
  3. Step 3: Cross multiply
    586,112.70x = 879,082.65 × 165,431.10
  4. Step 4: Simplify right side
    586,112.70x = 145,427,609,780.42
  5. Step 5: Solve for x
    x = 145,427,609,780.42/586,112.70
  6. Step 6: Final answer
    x = 248,122.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.