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Finding the Fourth Proportional to 168,393.51, 252,595.71 and 88,411.23

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Solution

The fourth proportional to 168,393.51, 252,595.71 and 88,411.23 is: 132,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,393.51 : 252,595.71 = 88,411.23 : x
  2. Step 2: Convert to fraction form
    168,393.51/252,595.71 = 88,411.23/x
  3. Step 3: Cross multiply
    168,393.51x = 252,595.71 × 88,411.23
  4. Step 4: Simplify right side
    168,393.51x = 22,332,297,413.82
  5. Step 5: Solve for x
    x = 22,332,297,413.82/168,393.51
  6. Step 6: Final answer
    x = 132,619.70

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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.