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Finding the Fourth Proportional to 102,889.01, 155,104.69 and 96,030.72

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Solution

The fourth proportional to 102,889.01, 155,104.69 and 96,030.72 is: 144,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,889.01 : 155,104.69 = 96,030.72 : x
  2. Step 2: Convert to fraction form
    102,889.01/155,104.69 = 96,030.72/x
  3. Step 3: Cross multiply
    102,889.01x = 155,104.69 × 96,030.72
  4. Step 4: Simplify right side
    102,889.01x = 14,894,815,056.08
  5. Step 5: Solve for x
    x = 14,894,815,056.08/102,889.01
  6. Step 6: Final answer
    x = 144,765.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.