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Finding the Fourth Proportional to 150,347.91, 207,401.45 and 92,968.89

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Solution

The fourth proportional to 150,347.91, 207,401.45 and 92,968.89 is: 128,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,347.91 : 207,401.45 = 92,968.89 : x
  2. Step 2: Convert to fraction form
    150,347.91/207,401.45 = 92,968.89/x
  3. Step 3: Cross multiply
    150,347.91x = 207,401.45 × 92,968.89
  4. Step 4: Simplify right side
    150,347.91x = 19,281,882,126.05
  5. Step 5: Solve for x
    x = 19,281,882,126.05/150,347.91
  6. Step 6: Final answer
    x = 128,248.42

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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.