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Finding the Fourth Proportional to 126,641.62, 175,564.65 and 119,900.26

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Solution

The fourth proportional to 126,641.62, 175,564.65 and 119,900.26 is: 166,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,641.62 : 175,564.65 = 119,900.26 : x
  2. Step 2: Convert to fraction form
    126,641.62/175,564.65 = 119,900.26/x
  3. Step 3: Cross multiply
    126,641.62x = 175,564.65 × 119,900.26
  4. Step 4: Simplify right side
    126,641.62x = 21,050,247,181.81
  5. Step 5: Solve for x
    x = 21,050,247,181.81/126,641.62
  6. Step 6: Final answer
    x = 166,219.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.