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Finding the Fourth Proportional to 223,656.76, 308,528.69 and 132,948.20

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Solution

The fourth proportional to 223,656.76, 308,528.69 and 132,948.20 is: 183,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,656.76 : 308,528.69 = 132,948.20 : x
  2. Step 2: Convert to fraction form
    223,656.76/308,528.69 = 132,948.20/x
  3. Step 3: Cross multiply
    223,656.76x = 308,528.69 × 132,948.20
  4. Step 4: Simplify right side
    223,656.76x = 41,018,335,087.55
  5. Step 5: Solve for x
    x = 41,018,335,087.55/223,656.76
  6. Step 6: Final answer
    x = 183,398.59

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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.