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Finding the Fourth Proportional to 248,353.49, 372,593.12 and 70,861.13

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Solution

The fourth proportional to 248,353.49, 372,593.12 and 70,861.13 is: 106,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,353.49 : 372,593.12 = 70,861.13 : x
  2. Step 2: Convert to fraction form
    248,353.49/372,593.12 = 70,861.13/x
  3. Step 3: Cross multiply
    248,353.49x = 372,593.12 × 70,861.13
  4. Step 4: Simplify right side
    248,353.49x = 26,402,368,693.38
  5. Step 5: Solve for x
    x = 26,402,368,693.38/248,353.49
  6. Step 6: Final answer
    x = 106,309.63

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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.