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Finding the Fourth Proportional to 71,536.50, 107,214.30 and 62,630.01

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Solution

The fourth proportional to 71,536.50, 107,214.30 and 62,630.01 is: 93,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,536.50 : 107,214.30 = 62,630.01 : x
  2. Step 2: Convert to fraction form
    71,536.50/107,214.30 = 62,630.01/x
  3. Step 3: Cross multiply
    71,536.50x = 107,214.30 × 62,630.01
  4. Step 4: Simplify right side
    71,536.50x = 6,714,832,681.14
  5. Step 5: Solve for x
    x = 6,714,832,681.14/71,536.50
  6. Step 6: Final answer
    x = 93,865.83

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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.