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Finding the Fourth Proportional to 334,530.80, 501,796.20 and 109,925.90

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Solution

The fourth proportional to 334,530.80, 501,796.20 and 109,925.90 is: 164,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,530.80 : 501,796.20 = 109,925.90 : x
  2. Step 2: Convert to fraction form
    334,530.80/501,796.20 = 109,925.90/x
  3. Step 3: Cross multiply
    334,530.80x = 501,796.20 × 109,925.90
  4. Step 4: Simplify right side
    334,530.80x = 55,160,398,901.58
  5. Step 5: Solve for x
    x = 55,160,398,901.58/334,530.80
  6. Step 6: Final answer
    x = 164,888.85

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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.