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Finding the Fourth Proportional to 84,344.98, 116,491.71 and 57,440.74

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Solution

The fourth proportional to 84,344.98, 116,491.71 and 57,440.74 is: 79,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,344.98 : 116,491.71 = 57,440.74 : x
  2. Step 2: Convert to fraction form
    84,344.98/116,491.71 = 57,440.74/x
  3. Step 3: Cross multiply
    84,344.98x = 116,491.71 × 57,440.74
  4. Step 4: Simplify right side
    84,344.98x = 6,691,370,026.27
  5. Step 5: Solve for x
    x = 6,691,370,026.27/84,344.98
  6. Step 6: Final answer
    x = 79,333.35

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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.