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Finding the Fourth Proportional to 225,073.77, 310,455.18 and 144,373.47

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Solution

The fourth proportional to 225,073.77, 310,455.18 and 144,373.47 is: 199,141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,073.77 : 310,455.18 = 144,373.47 : x
  2. Step 2: Convert to fraction form
    225,073.77/310,455.18 = 144,373.47/x
  3. Step 3: Cross multiply
    225,073.77x = 310,455.18 × 144,373.47
  4. Step 4: Simplify right side
    225,073.77x = 44,821,491,616.07
  5. Step 5: Solve for x
    x = 44,821,491,616.07/225,073.77
  6. Step 6: Final answer
    x = 199,141.34

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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.