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Finding the Fourth Proportional to 253,227.84, 349,459.68 and 140,058.24

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Solution

The fourth proportional to 253,227.84, 349,459.68 and 140,058.24 is: 193,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,227.84 : 349,459.68 = 140,058.24 : x
  2. Step 2: Convert to fraction form
    253,227.84/349,459.68 = 140,058.24/x
  3. Step 3: Cross multiply
    253,227.84x = 349,459.68 × 140,058.24
  4. Step 4: Simplify right side
    253,227.84x = 48,944,707,731.76
  5. Step 5: Solve for x
    x = 48,944,707,731.76/253,227.84
  6. Step 6: Final answer
    x = 193,283.28

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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.