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Finding the Fourth Proportional to 153,923.70, 230,885.55 and 150,643.20

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Solution

The fourth proportional to 153,923.70, 230,885.55 and 150,643.20 is: 225,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,923.70 : 230,885.55 = 150,643.20 : x
  2. Step 2: Convert to fraction form
    153,923.70/230,885.55 = 150,643.20/x
  3. Step 3: Cross multiply
    153,923.70x = 230,885.55 × 150,643.20
  4. Step 4: Simplify right side
    153,923.70x = 34,781,338,085.76
  5. Step 5: Solve for x
    x = 34,781,338,085.76/153,923.70
  6. Step 6: Final answer
    x = 225,964.80

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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.