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Finding the Fourth Proportional to 183,730.60, 275,304.30 and 121,328.20

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Solution

The fourth proportional to 183,730.60, 275,304.30 and 121,328.20 is: 181,799.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,730.60 : 275,304.30 = 121,328.20 : x
  2. Step 2: Convert to fraction form
    183,730.60/275,304.30 = 121,328.20/x
  3. Step 3: Cross multiply
    183,730.60x = 275,304.30 × 121,328.20
  4. Step 4: Simplify right side
    183,730.60x = 33,402,175,171.26
  5. Step 5: Solve for x
    x = 33,402,175,171.26/183,730.60
  6. Step 6: Final answer
    x = 181,799.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.