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Finding the Fourth Proportional to 150,486.46, 207,599.76 and 90,044.93

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Solution

The fourth proportional to 150,486.46, 207,599.76 and 90,044.93 is: 124,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,486.46 : 207,599.76 = 90,044.93 : x
  2. Step 2: Convert to fraction form
    150,486.46/207,599.76 = 90,044.93/x
  3. Step 3: Cross multiply
    150,486.46x = 207,599.76 × 90,044.93
  4. Step 4: Simplify right side
    150,486.46x = 18,693,306,376.22
  5. Step 5: Solve for x
    x = 18,693,306,376.22/150,486.46
  6. Step 6: Final answer
    x = 124,219.19

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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.