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Finding the Fourth Proportional to 85,092.84, 117,351.72 and 53,264.70

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Solution

The fourth proportional to 85,092.84, 117,351.72 and 53,264.70 is: 73,457.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,092.84 : 117,351.72 = 53,264.70 : x
  2. Step 2: Convert to fraction form
    85,092.84/117,351.72 = 53,264.70/x
  3. Step 3: Cross multiply
    85,092.84x = 117,351.72 × 53,264.70
  4. Step 4: Simplify right side
    85,092.84x = 6,250,704,160.28
  5. Step 5: Solve for x
    x = 6,250,704,160.28/85,092.84
  6. Step 6: Final answer
    x = 73,457.46

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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.