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Finding the Fourth Proportional to 158,370.94, 218,556.33 and 96,281.32

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Solution

The fourth proportional to 158,370.94, 218,556.33 and 96,281.32 is: 132,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,370.94 : 218,556.33 = 96,281.32 : x
  2. Step 2: Convert to fraction form
    158,370.94/218,556.33 = 96,281.32/x
  3. Step 3: Cross multiply
    158,370.94x = 218,556.33 × 96,281.32
  4. Step 4: Simplify right side
    158,370.94x = 21,042,891,465.35
  5. Step 5: Solve for x
    x = 21,042,891,465.35/158,370.94
  6. Step 6: Final answer
    x = 132,870.92

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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.