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Finding the Fourth Proportional to 82,937.49, 114,453.71 and 45,211.74

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Solution

The fourth proportional to 82,937.49, 114,453.71 and 45,211.74 is: 62,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,937.49 : 114,453.71 = 45,211.74 : x
  2. Step 2: Convert to fraction form
    82,937.49/114,453.71 = 45,211.74/x
  3. Step 3: Cross multiply
    82,937.49x = 114,453.71 × 45,211.74
  4. Step 4: Simplify right side
    82,937.49x = 5,174,650,892.84
  5. Step 5: Solve for x
    x = 5,174,650,892.84/82,937.49
  6. Step 6: Final answer
    x = 62,392.18

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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.