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Finding the Fourth Proportional to 110,490.96, 152,477.55 and 60,189.96

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Solution

The fourth proportional to 110,490.96, 152,477.55 and 60,189.96 is: 83,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,490.96 : 152,477.55 = 60,189.96 : x
  2. Step 2: Convert to fraction form
    110,490.96/152,477.55 = 60,189.96/x
  3. Step 3: Cross multiply
    110,490.96x = 152,477.55 × 60,189.96
  4. Step 4: Simplify right side
    110,490.96x = 9,177,617,635.40
  5. Step 5: Solve for x
    x = 9,177,617,635.40/110,490.96
  6. Step 6: Final answer
    x = 83,062.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.