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Finding the Fourth Proportional to 111,054.92, 153,259.48 and 60,753.92

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Solution

The fourth proportional to 111,054.92, 153,259.48 and 60,753.92 is: 83,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,054.92 : 153,259.48 = 60,753.92 : x
  2. Step 2: Convert to fraction form
    111,054.92/153,259.48 = 60,753.92/x
  3. Step 3: Cross multiply
    111,054.92x = 153,259.48 × 60,753.92
  4. Step 4: Simplify right side
    111,054.92x = 9,311,114,187.16
  5. Step 5: Solve for x
    x = 9,311,114,187.16/111,054.92
  6. Step 6: Final answer
    x = 83,842.43

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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.