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Finding the Fourth Proportional to 223,656.60, 308,528.48 and 132,948.05

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Solution

The fourth proportional to 223,656.60, 308,528.48 and 132,948.05 is: 183,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,656.60 : 308,528.48 = 132,948.05 : x
  2. Step 2: Convert to fraction form
    223,656.60/308,528.48 = 132,948.05/x
  3. Step 3: Cross multiply
    223,656.60x = 308,528.48 × 132,948.05
  4. Step 4: Simplify right side
    223,656.60x = 41,018,257,578.08
  5. Step 5: Solve for x
    x = 41,018,257,578.08/223,656.60
  6. Step 6: Final answer
    x = 183,398.38

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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.