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Finding the Fourth Proportional to 334,110.80, 501,166.20 and 134,526.80

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Solution

The fourth proportional to 334,110.80, 501,166.20 and 134,526.80 is: 201,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,110.80 : 501,166.20 = 134,526.80 : x
  2. Step 2: Convert to fraction form
    334,110.80/501,166.20 = 134,526.80/x
  3. Step 3: Cross multiply
    334,110.80x = 501,166.20 × 134,526.80
  4. Step 4: Simplify right side
    334,110.80x = 67,420,285,154.16
  5. Step 5: Solve for x
    x = 67,420,285,154.16/334,110.80
  6. Step 6: Final answer
    x = 201,790.20

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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.