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Finding the Fourth Proportional to 83,532.96, 115,280.96 and 45,807.21

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Solution

The fourth proportional to 83,532.96, 115,280.96 and 45,807.21 is: 63,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,532.96 : 115,280.96 = 45,807.21 : x
  2. Step 2: Convert to fraction form
    83,532.96/115,280.96 = 45,807.21/x
  3. Step 3: Cross multiply
    83,532.96x = 115,280.96 × 45,807.21
  4. Step 4: Simplify right side
    83,532.96x = 5,280,698,914.69
  5. Step 5: Solve for x
    x = 5,280,698,914.69/83,532.96
  6. Step 6: Final answer
    x = 63,216.95

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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.