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Finding the Fourth Proportional to 147,103.20, 220,683.60 and 62,863.20

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Solution

The fourth proportional to 147,103.20, 220,683.60 and 62,863.20 is: 94,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,103.20 : 220,683.60 = 62,863.20 : x
  2. Step 2: Convert to fraction form
    147,103.20/220,683.60 = 62,863.20/x
  3. Step 3: Cross multiply
    147,103.20x = 220,683.60 × 62,863.20
  4. Step 4: Simplify right side
    147,103.20x = 13,872,877,283.52
  5. Step 5: Solve for x
    x = 13,872,877,283.52/147,103.20
  6. Step 6: Final answer
    x = 94,307.11

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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.