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Finding the Fourth Proportional to 110,958.64, 153,122.47 and 62,565.80

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Solution

The fourth proportional to 110,958.64, 153,122.47 and 62,565.80 is: 86,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,958.64 : 153,122.47 = 62,565.80 : x
  2. Step 2: Convert to fraction form
    110,958.64/153,122.47 = 62,565.80/x
  3. Step 3: Cross multiply
    110,958.64x = 153,122.47 × 62,565.80
  4. Step 4: Simplify right side
    110,958.64x = 9,580,228,911.50
  5. Step 5: Solve for x
    x = 9,580,228,911.50/110,958.64
  6. Step 6: Final answer
    x = 86,340.54

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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.