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Finding the Fourth Proportional to 82,332.83, 113,560.91 and 69,702.91

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Solution

The fourth proportional to 82,332.83, 113,560.91 and 69,702.91 is: 96,140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,332.83 : 113,560.91 = 69,702.91 : x
  2. Step 2: Convert to fraction form
    82,332.83/113,560.91 = 69,702.91/x
  3. Step 3: Cross multiply
    82,332.83x = 113,560.91 × 69,702.91
  4. Step 4: Simplify right side
    82,332.83x = 7,915,525,889.25
  5. Step 5: Solve for x
    x = 7,915,525,889.25/82,332.83
  6. Step 6: Final answer
    x = 96,140.58

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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.