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Finding the Fourth Proportional to 113,334.84, 156,392.44 and 65,591.15

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Solution

The fourth proportional to 113,334.84, 156,392.44 and 65,591.15 is: 90,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,334.84 : 156,392.44 = 65,591.15 : x
  2. Step 2: Convert to fraction form
    113,334.84/156,392.44 = 65,591.15/x
  3. Step 3: Cross multiply
    113,334.84x = 156,392.44 × 65,591.15
  4. Step 4: Simplify right side
    113,334.84x = 10,257,959,044.97
  5. Step 5: Solve for x
    x = 10,257,959,044.97/113,334.84
  6. Step 6: Final answer
    x = 90,510.20

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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.