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Finding the Fourth Proportional to 144,857.40, 217,026.90 and 124,121.40

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Solution

The fourth proportional to 144,857.40, 217,026.90 and 124,121.40 is: 185,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,857.40 : 217,026.90 = 124,121.40 : x
  2. Step 2: Convert to fraction form
    144,857.40/217,026.90 = 124,121.40/x
  3. Step 3: Cross multiply
    144,857.40x = 217,026.90 × 124,121.40
  4. Step 4: Simplify right side
    144,857.40x = 26,937,682,665.66
  5. Step 5: Solve for x
    x = 26,937,682,665.66/144,857.40
  6. Step 6: Final answer
    x = 185,960.00

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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.