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Finding the Fourth Proportional to 94,673.76, 130,656.24 and 54,929.76

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Solution

The fourth proportional to 94,673.76, 130,656.24 and 54,929.76 is: 75,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,673.76 : 130,656.24 = 54,929.76 : x
  2. Step 2: Convert to fraction form
    94,673.76/130,656.24 = 54,929.76/x
  3. Step 3: Cross multiply
    94,673.76x = 130,656.24 × 54,929.76
  4. Step 4: Simplify right side
    94,673.76x = 7,176,915,905.70
  5. Step 5: Solve for x
    x = 7,176,915,905.70/94,673.76
  6. Step 6: Final answer
    x = 75,806.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.