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Finding the Fourth Proportional to 103,616.86, 155,259.17 and 93,652.38

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Solution

The fourth proportional to 103,616.86, 155,259.17 and 93,652.38 is: 140,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,616.86 : 155,259.17 = 93,652.38 : x
  2. Step 2: Convert to fraction form
    103,616.86/155,259.17 = 93,652.38/x
  3. Step 3: Cross multiply
    103,616.86x = 155,259.17 × 93,652.38
  4. Step 4: Simplify right side
    103,616.86x = 14,540,390,787.32
  5. Step 5: Solve for x
    x = 14,540,390,787.32/103,616.86
  6. Step 6: Final answer
    x = 140,328.43

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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.