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Finding the Fourth Proportional to 265,706.88, 398,473.65 and 88,166.22

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Solution

The fourth proportional to 265,706.88, 398,473.65 and 88,166.22 is: 132,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,706.88 : 398,473.65 = 88,166.22 : x
  2. Step 2: Convert to fraction form
    265,706.88/398,473.65 = 88,166.22/x
  3. Step 3: Cross multiply
    265,706.88x = 398,473.65 × 88,166.22
  4. Step 4: Simplify right side
    265,706.88x = 35,131,915,490.10
  5. Step 5: Solve for x
    x = 35,131,915,490.10/265,706.88
  6. Step 6: Final answer
    x = 132,220.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.