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Finding the Fourth Proportional to 174,026.80, 260,694.60 and 103,697.20

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Solution

The fourth proportional to 174,026.80, 260,694.60 and 103,697.20 is: 155,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,026.80 : 260,694.60 = 103,697.20 : x
  2. Step 2: Convert to fraction form
    174,026.80/260,694.60 = 103,697.20/x
  3. Step 3: Cross multiply
    174,026.80x = 260,694.60 × 103,697.20
  4. Step 4: Simplify right side
    174,026.80x = 27,033,300,075.12
  5. Step 5: Solve for x
    x = 27,033,300,075.12/174,026.80
  6. Step 6: Final answer
    x = 155,339.87

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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.