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Finding the Fourth Proportional to 188,038.68, 282,044.74 and 88,220.76

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Solution

The fourth proportional to 188,038.68, 282,044.74 and 88,220.76 is: 132,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,038.68 : 282,044.74 = 88,220.76 : x
  2. Step 2: Convert to fraction form
    188,038.68/282,044.74 = 88,220.76/x
  3. Step 3: Cross multiply
    188,038.68x = 282,044.74 × 88,220.76
  4. Step 4: Simplify right side
    188,038.68x = 24,882,201,316.80
  5. Step 5: Solve for x
    x = 24,882,201,316.80/188,038.68
  6. Step 6: Final answer
    x = 132,324.91

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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.