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Finding the Fourth Proportional to 64,742.61, 97,127.10 and 27,302.70

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Solution

The fourth proportional to 64,742.61, 97,127.10 and 27,302.70 is: 40,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,742.61 : 97,127.10 = 27,302.70 : x
  2. Step 2: Convert to fraction form
    64,742.61/97,127.10 = 27,302.70/x
  3. Step 3: Cross multiply
    64,742.61x = 97,127.10 × 27,302.70
  4. Step 4: Simplify right side
    64,742.61x = 2,651,832,073.17
  5. Step 5: Solve for x
    x = 2,651,832,073.17/64,742.61
  6. Step 6: Final answer
    x = 40,959.61

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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.