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Finding the Fourth Proportional to 153,857.80, 230,765.10 and 48,687.40

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Solution

The fourth proportional to 153,857.80, 230,765.10 and 48,687.40 is: 73,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,857.80 : 230,765.10 = 48,687.40 : x
  2. Step 2: Convert to fraction form
    153,857.80/230,765.10 = 48,687.40/x
  3. Step 3: Cross multiply
    153,857.80x = 230,765.10 × 48,687.40
  4. Step 4: Simplify right side
    153,857.80x = 11,235,352,729.74
  5. Step 5: Solve for x
    x = 11,235,352,729.74/153,857.80
  6. Step 6: Final answer
    x = 73,024.26

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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.