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Finding the Fourth Proportional to 347,666.70, 521,557.65 and 148,082.70

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Solution

The fourth proportional to 347,666.70, 521,557.65 and 148,082.70 is: 222,148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,666.70 : 521,557.65 = 148,082.70 : x
  2. Step 2: Convert to fraction form
    347,666.70/521,557.65 = 148,082.70/x
  3. Step 3: Cross multiply
    347,666.70x = 521,557.65 × 148,082.70
  4. Step 4: Simplify right side
    347,666.70x = 77,233,665,017.66
  5. Step 5: Solve for x
    x = 77,233,665,017.66/347,666.70
  6. Step 6: Final answer
    x = 222,148.58

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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.