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Finding the Fourth Proportional to 102,650.55, 153,026.96 and 101,032.85

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Solution

The fourth proportional to 102,650.55, 153,026.96 and 101,032.85 is: 150,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,650.55 : 153,026.96 = 101,032.85 : x
  2. Step 2: Convert to fraction form
    102,650.55/153,026.96 = 101,032.85/x
  3. Step 3: Cross multiply
    102,650.55x = 153,026.96 × 101,032.85
  4. Step 4: Simplify right side
    102,650.55x = 15,460,750,625.50
  5. Step 5: Solve for x
    x = 15,460,750,625.50/102,650.55
  6. Step 6: Final answer
    x = 150,615.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.