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Finding the Fourth Proportional to 77,889.46, 116,750.76 and 55,635.34

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Solution

The fourth proportional to 77,889.46, 116,750.76 and 55,635.34 is: 83,393.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,889.46 : 116,750.76 = 55,635.34 : x
  2. Step 2: Convert to fraction form
    77,889.46/116,750.76 = 55,635.34/x
  3. Step 3: Cross multiply
    77,889.46x = 116,750.76 × 55,635.34
  4. Step 4: Simplify right side
    77,889.46x = 6,495,468,227.86
  5. Step 5: Solve for x
    x = 6,495,468,227.86/77,889.46
  6. Step 6: Final answer
    x = 83,393.42

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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.