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Finding the Fourth Proportional to 103,263.30, 155,010.15 and 96,495.30

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Solution

The fourth proportional to 103,263.30, 155,010.15 and 96,495.30 is: 144,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,263.30 : 155,010.15 = 96,495.30 : x
  2. Step 2: Convert to fraction form
    103,263.30/155,010.15 = 96,495.30/x
  3. Step 3: Cross multiply
    103,263.30x = 155,010.15 × 96,495.30
  4. Step 4: Simplify right side
    103,263.30x = 14,957,750,927.30
  5. Step 5: Solve for x
    x = 14,957,750,927.30/103,263.30
  6. Step 6: Final answer
    x = 144,850.60

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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.