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Finding the Fourth Proportional to 69,681.75, 96,200.70 and 45,877.62

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Solution

The fourth proportional to 69,681.75, 96,200.70 and 45,877.62 is: 63,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,681.75 : 96,200.70 = 45,877.62 : x
  2. Step 2: Convert to fraction form
    69,681.75/96,200.70 = 45,877.62/x
  3. Step 3: Cross multiply
    69,681.75x = 96,200.70 × 45,877.62
  4. Step 4: Simplify right side
    69,681.75x = 4,413,459,158.33
  5. Step 5: Solve for x
    x = 4,413,459,158.33/69,681.75
  6. Step 6: Final answer
    x = 63,337.38

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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.