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Finding the Fourth Proportional to 225,072.48, 310,587.84 and 124,464

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Solution

The fourth proportional to 225,072.48, 310,587.84 and 124,464 is: 171,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,072.48 : 310,587.84 = 124,464 : x
  2. Step 2: Convert to fraction form
    225,072.48/310,587.84 = 124,464/x
  3. Step 3: Cross multiply
    225,072.48x = 310,587.84 × 124,464
  4. Step 4: Simplify right side
    225,072.48x = 38,657,004,917.76
  5. Step 5: Solve for x
    x = 38,657,004,917.76/225,072.48
  6. Step 6: Final answer
    x = 171,753.58

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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.