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Finding the Fourth Proportional to 109,280.60, 163,805.70 and 62,432.60

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Solution

The fourth proportional to 109,280.60, 163,805.70 and 62,432.60 is: 93,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,280.60 : 163,805.70 = 62,432.60 : x
  2. Step 2: Convert to fraction form
    109,280.60/163,805.70 = 62,432.60/x
  3. Step 3: Cross multiply
    109,280.60x = 163,805.70 × 62,432.60
  4. Step 4: Simplify right side
    109,280.60x = 10,226,815,745.82
  5. Step 5: Solve for x
    x = 10,226,815,745.82/109,280.60
  6. Step 6: Final answer
    x = 93,583.09

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1.5x scale

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.