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Finding the Fourth Proportional to 124,697.34, 187,019.28 and 35,934.30

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Solution

The fourth proportional to 124,697.34, 187,019.28 and 35,934.30 is: 53,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,697.34 : 187,019.28 = 35,934.30 : x
  2. Step 2: Convert to fraction form
    124,697.34/187,019.28 = 35,934.30/x
  3. Step 3: Cross multiply
    124,697.34x = 187,019.28 × 35,934.30
  4. Step 4: Simplify right side
    124,697.34x = 6,720,406,913.30
  5. Step 5: Solve for x
    x = 6,720,406,913.30/124,697.34
  6. Step 6: Final answer
    x = 53,893.75

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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.