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Finding the Fourth Proportional to 77,505.76, 116,255.58 and 22,101.76

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Solution

The fourth proportional to 77,505.76, 116,255.58 and 22,101.76 is: 33,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,505.76 : 116,255.58 = 22,101.76 : x
  2. Step 2: Convert to fraction form
    77,505.76/116,255.58 = 22,101.76/x
  3. Step 3: Cross multiply
    77,505.76x = 116,255.58 × 22,101.76
  4. Step 4: Simplify right side
    77,505.76x = 2,569,452,927.82
  5. Step 5: Solve for x
    x = 2,569,452,927.82/77,505.76
  6. Step 6: Final answer
    x = 33,151.77

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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.