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Finding the Fourth Proportional to 114,863.76, 158,512.12 and 63,875.40

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Solution

The fourth proportional to 114,863.76, 158,512.12 and 63,875.40 is: 88,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,863.76 : 158,512.12 = 63,875.40 : x
  2. Step 2: Convert to fraction form
    114,863.76/158,512.12 = 63,875.40/x
  3. Step 3: Cross multiply
    114,863.76x = 158,512.12 × 63,875.40
  4. Step 4: Simplify right side
    114,863.76x = 10,125,025,069.85
  5. Step 5: Solve for x
    x = 10,125,025,069.85/114,863.76
  6. Step 6: Final answer
    x = 88,148.12

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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.