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Finding the Fourth Proportional to 153,610.10, 230,415.15 and 136,502.90

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Solution

The fourth proportional to 153,610.10, 230,415.15 and 136,502.90 is: 204,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,610.10 : 230,415.15 = 136,502.90 : x
  2. Step 2: Convert to fraction form
    153,610.10/230,415.15 = 136,502.90/x
  3. Step 3: Cross multiply
    153,610.10x = 230,415.15 × 136,502.90
  4. Step 4: Simplify right side
    153,610.10x = 31,452,336,178.94
  5. Step 5: Solve for x
    x = 31,452,336,178.94/153,610.10
  6. Step 6: Final answer
    x = 204,754.35

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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.