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Finding the Fourth Proportional to 101,302.03, 151,959.53 and 38,972.53

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Solution

The fourth proportional to 101,302.03, 151,959.53 and 38,972.53 is: 58,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,302.03 : 151,959.53 = 38,972.53 : x
  2. Step 2: Convert to fraction form
    101,302.03/151,959.53 = 38,972.53/x
  3. Step 3: Cross multiply
    101,302.03x = 151,959.53 × 38,972.53
  4. Step 4: Simplify right side
    101,302.03x = 5,922,247,341.71
  5. Step 5: Solve for x
    x = 5,922,247,341.71/101,302.03
  6. Step 6: Final answer
    x = 58,461.29

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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.