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Finding the Fourth Proportional to 69,809.96, 96,294.55 and 60,878.90

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Solution

The fourth proportional to 69,809.96, 96,294.55 and 60,878.90 is: 83,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,809.96 : 96,294.55 = 60,878.90 : x
  2. Step 2: Convert to fraction form
    69,809.96/96,294.55 = 60,878.90/x
  3. Step 3: Cross multiply
    69,809.96x = 96,294.55 × 60,878.90
  4. Step 4: Simplify right side
    69,809.96x = 5,862,306,280.00
  5. Step 5: Solve for x
    x = 5,862,306,280.00/69,809.96
  6. Step 6: Final answer
    x = 83,975.21

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1.5x scale

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.