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Finding the Fourth Proportional to 110,551.77, 152,565.53 and 62,813.21

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Solution

The fourth proportional to 110,551.77, 152,565.53 and 62,813.21 is: 86,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,551.77 : 152,565.53 = 62,813.21 : x
  2. Step 2: Convert to fraction form
    110,551.77/152,565.53 = 62,813.21/x
  3. Step 3: Cross multiply
    110,551.77x = 152,565.53 × 62,813.21
  4. Step 4: Simplify right side
    110,551.77x = 9,583,129,597.76
  5. Step 5: Solve for x
    x = 9,583,129,597.76/110,551.77
  6. Step 6: Final answer
    x = 86,684.54

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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.