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Finding the Fourth Proportional to 174,273.70, 261,410.55 and 155,246.80

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Solution

The fourth proportional to 174,273.70, 261,410.55 and 155,246.80 is: 232,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,273.70 : 261,410.55 = 155,246.80 : x
  2. Step 2: Convert to fraction form
    174,273.70/261,410.55 = 155,246.80/x
  3. Step 3: Cross multiply
    174,273.70x = 261,410.55 × 155,246.80
  4. Step 4: Simplify right side
    174,273.70x = 40,583,151,373.74
  5. Step 5: Solve for x
    x = 40,583,151,373.74/174,273.70
  6. Step 6: Final answer
    x = 232,870.20

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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.