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Finding the Fourth Proportional to 77,334.24, 116,000.88 and 21,930.24

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Solution

The fourth proportional to 77,334.24, 116,000.88 and 21,930.24 is: 32,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,334.24 : 116,000.88 = 21,930.24 : x
  2. Step 2: Convert to fraction form
    77,334.24/116,000.88 = 21,930.24/x
  3. Step 3: Cross multiply
    77,334.24x = 116,000.88 × 21,930.24
  4. Step 4: Simplify right side
    77,334.24x = 2,543,927,138.61
  5. Step 5: Solve for x
    x = 2,543,927,138.61/77,334.24
  6. Step 6: Final answer
    x = 32,895.22

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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.