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Finding the Fourth Proportional to 114,874.20, 172,311.30 and 62,386.20

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Solution

The fourth proportional to 114,874.20, 172,311.30 and 62,386.20 is: 93,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,874.20 : 172,311.30 = 62,386.20 : x
  2. Step 2: Convert to fraction form
    114,874.20/172,311.30 = 62,386.20/x
  3. Step 3: Cross multiply
    114,874.20x = 172,311.30 × 62,386.20
  4. Step 4: Simplify right side
    114,874.20x = 10,749,847,224.06
  5. Step 5: Solve for x
    x = 10,749,847,224.06/114,874.20
  6. Step 6: Final answer
    x = 93,579.30

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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.