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Finding the Fourth Proportional to 84,806,688.80, 127,233,652.80 and 41,677,299.20

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Solution

The fourth proportional to 84,806,688.80, 127,233,652.80 and 41,677,299.20 is: 62,527,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,806,688.80 : 127,233,652.80 = 41,677,299.20 : x
  2. Step 2: Convert to fraction form
    84,806,688.80/127,233,652.80 = 41,677,299.20/x
  3. Step 3: Cross multiply
    84,806,688.80x = 127,233,652.80 × 41,677,299.20
  4. Step 4: Simplify right side
    84,806,688.80x = 5,302,755,016,054,518
  5. Step 5: Solve for x
    x = 5,302,755,016,054,518/84,806,688.80
  6. Step 6: Final answer
    x = 62,527,556.39

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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.