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Finding the Fourth Proportional to 220,464.76, 304,251.78 and 124,973.32

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Solution

The fourth proportional to 220,464.76, 304,251.78 and 124,973.32 is: 172,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,464.76 : 304,251.78 = 124,973.32 : x
  2. Step 2: Convert to fraction form
    220,464.76/304,251.78 = 124,973.32/x
  3. Step 3: Cross multiply
    220,464.76x = 304,251.78 × 124,973.32
  4. Step 4: Simplify right side
    220,464.76x = 38,023,355,062.51
  5. Step 5: Solve for x
    x = 38,023,355,062.51/220,464.76
  6. Step 6: Final answer
    x = 172,469.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.