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Finding the Fourth Proportional to 335,013.12, 502,519.68 and 124,704

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Solution

The fourth proportional to 335,013.12, 502,519.68 and 124,704 is: 187,056

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,013.12 : 502,519.68 = 124,704 : x
  2. Step 2: Convert to fraction form
    335,013.12/502,519.68 = 124,704/x
  3. Step 3: Cross multiply
    335,013.12x = 502,519.68 × 124,704
  4. Step 4: Simplify right side
    335,013.12x = 62,666,214,174.72
  5. Step 5: Solve for x
    x = 62,666,214,174.72/335,013.12
  6. Step 6: Final answer
    x = 187,056

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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.