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Finding the Fourth Proportional to 150,476.68, 207,514.56 and 90,037.72

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Solution

The fourth proportional to 150,476.68, 207,514.56 and 90,037.72 is: 124,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,476.68 : 207,514.56 = 90,037.72 : x
  2. Step 2: Convert to fraction form
    150,476.68/207,514.56 = 90,037.72/x
  3. Step 3: Cross multiply
    150,476.68x = 207,514.56 × 90,037.72
  4. Step 4: Simplify right side
    150,476.68x = 18,684,137,849.20
  5. Step 5: Solve for x
    x = 18,684,137,849.20/150,476.68
  6. Step 6: Final answer
    x = 124,166.33

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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.