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Finding the Fourth Proportional to 101,753.76, 152,630.46 and 39,424.08

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Solution

The fourth proportional to 101,753.76, 152,630.46 and 39,424.08 is: 59,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,753.76 : 152,630.46 = 39,424.08 : x
  2. Step 2: Convert to fraction form
    101,753.76/152,630.46 = 39,424.08/x
  3. Step 3: Cross multiply
    101,753.76x = 152,630.46 × 39,424.08
  4. Step 4: Simplify right side
    101,753.76x = 6,017,315,465.48
  5. Step 5: Solve for x
    x = 6,017,315,465.48/101,753.76
  6. Step 6: Final answer
    x = 59,136.05

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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.