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Finding the Fourth Proportional to 100,862.55, 151,258.52 and 29,766.32

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Solution

The fourth proportional to 100,862.55, 151,258.52 and 29,766.32 is: 44,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,862.55 : 151,258.52 = 29,766.32 : x
  2. Step 2: Convert to fraction form
    100,862.55/151,258.52 = 29,766.32/x
  3. Step 3: Cross multiply
    100,862.55x = 151,258.52 × 29,766.32
  4. Step 4: Simplify right side
    100,862.55x = 4,502,409,509.05
  5. Step 5: Solve for x
    x = 4,502,409,509.05/100,862.55
  6. Step 6: Final answer
    x = 44,639.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.