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Finding the Fourth Proportional to 334,527.60, 501,645.60 and 134,781.60

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Solution

The fourth proportional to 334,527.60, 501,645.60 and 134,781.60 is: 202,113.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,527.60 : 501,645.60 = 134,781.60 : x
  2. Step 2: Convert to fraction form
    334,527.60/501,645.60 = 134,781.60/x
  3. Step 3: Cross multiply
    334,527.60x = 501,645.60 × 134,781.60
  4. Step 4: Simplify right side
    334,527.60x = 67,612,596,600.96
  5. Step 5: Solve for x
    x = 67,612,596,600.96/334,527.60
  6. Step 6: Final answer
    x = 202,113.66

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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.