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Finding the Fourth Proportional to 83,118.60, 114,702.12 and 46,820.16

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Solution

The fourth proportional to 83,118.60, 114,702.12 and 46,820.16 is: 64,610.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,118.60 : 114,702.12 = 46,820.16 : x
  2. Step 2: Convert to fraction form
    83,118.60/114,702.12 = 46,820.16/x
  3. Step 3: Cross multiply
    83,118.60x = 114,702.12 × 46,820.16
  4. Step 4: Simplify right side
    83,118.60x = 5,370,371,610.74
  5. Step 5: Solve for x
    x = 5,370,371,610.74/83,118.60
  6. Step 6: Final answer
    x = 64,610.95

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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.