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Finding the Fourth Proportional to 111,562.76, 153,958.44 and 60,575.48

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Solution

The fourth proportional to 111,562.76, 153,958.44 and 60,575.48 is: 83,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,562.76 : 153,958.44 = 60,575.48 : x
  2. Step 2: Convert to fraction form
    111,562.76/153,958.44 = 60,575.48/x
  3. Step 3: Cross multiply
    111,562.76x = 153,958.44 × 60,575.48
  4. Step 4: Simplify right side
    111,562.76x = 9,326,106,403.05
  5. Step 5: Solve for x
    x = 9,326,106,403.05/111,562.76
  6. Step 6: Final answer
    x = 83,595.16

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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.