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Finding the Fourth Proportional to 213,423.60, 320,151.60 and 63,652.17

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Solution

The fourth proportional to 213,423.60, 320,151.60 and 63,652.17 is: 95,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,423.60 : 320,151.60 = 63,652.17 : x
  2. Step 2: Convert to fraction form
    213,423.60/320,151.60 = 63,652.17/x
  3. Step 3: Cross multiply
    213,423.60x = 320,151.60 × 63,652.17
  4. Step 4: Simplify right side
    213,423.60x = 20,378,344,068.97
  5. Step 5: Solve for x
    x = 20,378,344,068.97/213,423.60
  6. Step 6: Final answer
    x = 95,483.09

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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.