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Finding the Fourth Proportional to 148,808.73, 223,023.29 and 69,748.77

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Solution

The fourth proportional to 148,808.73, 223,023.29 and 69,748.77 is: 104,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,808.73 : 223,023.29 = 69,748.77 : x
  2. Step 2: Convert to fraction form
    148,808.73/223,023.29 = 69,748.77/x
  3. Step 3: Cross multiply
    148,808.73x = 223,023.29 × 69,748.77
  4. Step 4: Simplify right side
    148,808.73x = 15,555,599,810.11
  5. Step 5: Solve for x
    x = 15,555,599,810.11/148,808.73
  6. Step 6: Final answer
    x = 104,534.19

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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.