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Finding the Fourth Proportional to 119,487.36, 164,883.48 and 68,499.60

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Solution

The fourth proportional to 119,487.36, 164,883.48 and 68,499.60 is: 94,524.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,487.36 : 164,883.48 = 68,499.60 : x
  2. Step 2: Convert to fraction form
    119,487.36/164,883.48 = 68,499.60/x
  3. Step 3: Cross multiply
    119,487.36x = 164,883.48 × 68,499.60
  4. Step 4: Simplify right side
    119,487.36x = 11,294,452,426.61
  5. Step 5: Solve for x
    x = 11,294,452,426.61/119,487.36
  6. Step 6: Final answer
    x = 94,524.24

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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.