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Finding the Fourth Proportional to 251,593.64, 377,378.16 and 93,809.78

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Solution

The fourth proportional to 251,593.64, 377,378.16 and 93,809.78 is: 140,710.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,593.64 : 377,378.16 = 93,809.78 : x
  2. Step 2: Convert to fraction form
    251,593.64/377,378.16 = 93,809.78/x
  3. Step 3: Cross multiply
    251,593.64x = 377,378.16 × 93,809.78
  4. Step 4: Simplify right side
    251,593.64x = 35,401,762,166.40
  5. Step 5: Solve for x
    x = 35,401,762,166.40/251,593.64
  6. Step 6: Final answer
    x = 140,710.08

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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.