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Finding the Fourth Proportional to 101,152.60, 151,728.90 and 41,982.10

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Solution

The fourth proportional to 101,152.60, 151,728.90 and 41,982.10 is: 62,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,152.60 : 151,728.90 = 41,982.10 : x
  2. Step 2: Convert to fraction form
    101,152.60/151,728.90 = 41,982.10/x
  3. Step 3: Cross multiply
    101,152.60x = 151,728.90 × 41,982.10
  4. Step 4: Simplify right side
    101,152.60x = 6,369,897,852.69
  5. Step 5: Solve for x
    x = 6,369,897,852.69/101,152.60
  6. Step 6: Final answer
    x = 62,973.15

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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.