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Finding the Fourth Proportional to 110,876.72, 153,009.86 and 60,575.72

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Solution

The fourth proportional to 110,876.72, 153,009.86 and 60,575.72 is: 83,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,876.72 : 153,009.86 = 60,575.72 : x
  2. Step 2: Convert to fraction form
    110,876.72/153,009.86 = 60,575.72/x
  3. Step 3: Cross multiply
    110,876.72x = 153,009.86 × 60,575.72
  4. Step 4: Simplify right side
    110,876.72x = 9,268,681,368.67
  5. Step 5: Solve for x
    x = 9,268,681,368.67/110,876.72
  6. Step 6: Final answer
    x = 83,594.48

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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.