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Finding the Fourth Proportional to 188,122.76, 282,276.38 and 88,291.06

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Solution

The fourth proportional to 188,122.76, 282,276.38 and 88,291.06 is: 132,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,122.76 : 282,276.38 = 88,291.06 : x
  2. Step 2: Convert to fraction form
    188,122.76/282,276.38 = 88,291.06/x
  3. Step 3: Cross multiply
    188,122.76x = 282,276.38 × 88,291.06
  4. Step 4: Simplify right side
    188,122.76x = 24,922,480,803.16
  5. Step 5: Solve for x
    x = 24,922,480,803.16/188,122.76
  6. Step 6: Final answer
    x = 132,479.88

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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.