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Finding the Fourth Proportional to 175,210.60, 262,907.70 and 80,469.40

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Solution

The fourth proportional to 175,210.60, 262,907.70 and 80,469.40 is: 120,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,210.60 : 262,907.70 = 80,469.40 : x
  2. Step 2: Convert to fraction form
    175,210.60/262,907.70 = 80,469.40/x
  3. Step 3: Cross multiply
    175,210.60x = 262,907.70 × 80,469.40
  4. Step 4: Simplify right side
    175,210.60x = 21,156,024,874.38
  5. Step 5: Solve for x
    x = 21,156,024,874.38/175,210.60
  6. Step 6: Final answer
    x = 120,746.26

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1.5x scale

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.