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Finding the Fourth Proportional to 136,693.80, 205,040.70 and 94,484.70

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Solution

The fourth proportional to 136,693.80, 205,040.70 and 94,484.70 is: 141,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,693.80 : 205,040.70 = 94,484.70 : x
  2. Step 2: Convert to fraction form
    136,693.80/205,040.70 = 94,484.70/x
  3. Step 3: Cross multiply
    136,693.80x = 205,040.70 × 94,484.70
  4. Step 4: Simplify right side
    136,693.80x = 19,373,209,027.29
  5. Step 5: Solve for x
    x = 19,373,209,027.29/136,693.80
  6. Step 6: Final answer
    x = 141,727.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.