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Finding the Fourth Proportional to 225,181.80, 310,748.58 and 124,580.52

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Solution

The fourth proportional to 225,181.80, 310,748.58 and 124,580.52 is: 171,919.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,181.80 : 310,748.58 = 124,580.52 : x
  2. Step 2: Convert to fraction form
    225,181.80/310,748.58 = 124,580.52/x
  3. Step 3: Cross multiply
    225,181.80x = 310,748.58 × 124,580.52
  4. Step 4: Simplify right side
    225,181.80x = 38,713,219,685.66
  5. Step 5: Solve for x
    x = 38,713,219,685.66/225,181.80
  6. Step 6: Final answer
    x = 171,919.84

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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.