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Finding the Fourth Proportional to 225,005.46, 310,496.13 and 124,384.02

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Solution

The fourth proportional to 225,005.46, 310,496.13 and 124,384.02 is: 171,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,005.46 : 310,496.13 = 124,384.02 : x
  2. Step 2: Convert to fraction form
    225,005.46/310,496.13 = 124,384.02/x
  3. Step 3: Cross multiply
    225,005.46x = 310,496.13 × 124,384.02
  4. Step 4: Simplify right side
    225,005.46x = 38,620,756,843.84
  5. Step 5: Solve for x
    x = 38,620,756,843.84/225,005.46
  6. Step 6: Final answer
    x = 171,643.64

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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.