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Finding the Fourth Proportional to 85,349.66, 117,826.83 and 62,353.70

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Solution

The fourth proportional to 85,349.66, 117,826.83 and 62,353.70 is: 86,080.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,349.66 : 117,826.83 = 62,353.70 : x
  2. Step 2: Convert to fraction form
    85,349.66/117,826.83 = 62,353.70/x
  3. Step 3: Cross multiply
    85,349.66x = 117,826.83 × 62,353.70
  4. Step 4: Simplify right side
    85,349.66x = 7,346,938,220.64
  5. Step 5: Solve for x
    x = 7,346,938,220.64/85,349.66
  6. Step 6: Final answer
    x = 86,080.46

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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.