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Finding the Fourth Proportional to 120,729.60, 181,094.40 and 95,846.40

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Solution

The fourth proportional to 120,729.60, 181,094.40 and 95,846.40 is: 143,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,729.60 : 181,094.40 = 95,846.40 : x
  2. Step 2: Convert to fraction form
    120,729.60/181,094.40 = 95,846.40/x
  3. Step 3: Cross multiply
    120,729.60x = 181,094.40 × 95,846.40
  4. Step 4: Simplify right side
    120,729.60x = 17,357,246,300.16
  5. Step 5: Solve for x
    x = 17,357,246,300.16/120,729.60
  6. Step 6: Final answer
    x = 143,769.60

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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.