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Finding the Fourth Proportional to 153,697.21, 230,565.98 and 60,190.81

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Solution

The fourth proportional to 153,697.21, 230,565.98 and 60,190.81 is: 90,294.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,697.21 : 230,565.98 = 60,190.81 : x
  2. Step 2: Convert to fraction form
    153,697.21/230,565.98 = 60,190.81/x
  3. Step 3: Cross multiply
    153,697.21x = 230,565.98 × 60,190.81
  4. Step 4: Simplify right side
    153,697.21x = 13,877,952,793.69
  5. Step 5: Solve for x
    x = 13,877,952,793.69/153,697.21
  6. Step 6: Final answer
    x = 90,294.11

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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.