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Finding the Fourth Proportional to 174,443.80, 240,758.47 and 106,500.15

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Solution

The fourth proportional to 174,443.80, 240,758.47 and 106,500.15 is: 146,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,443.80 : 240,758.47 = 106,500.15 : x
  2. Step 2: Convert to fraction form
    174,443.80/240,758.47 = 106,500.15/x
  3. Step 3: Cross multiply
    174,443.80x = 240,758.47 × 106,500.15
  4. Step 4: Simplify right side
    174,443.80x = 25,640,813,168.77
  5. Step 5: Solve for x
    x = 25,640,813,168.77/174,443.80
  6. Step 6: Final answer
    x = 146,986.10

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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.