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Finding the Fourth Proportional to 104,686.59, 157,030.83 and 29,806.68

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Solution

The fourth proportional to 104,686.59, 157,030.83 and 29,806.68 is: 44,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,686.59 : 157,030.83 = 29,806.68 : x
  2. Step 2: Convert to fraction form
    104,686.59/157,030.83 = 29,806.68/x
  3. Step 3: Cross multiply
    104,686.59x = 157,030.83 × 29,806.68
  4. Step 4: Simplify right side
    104,686.59x = 4,680,567,699.94
  5. Step 5: Solve for x
    x = 4,680,567,699.94/104,686.59
  6. Step 6: Final answer
    x = 44,710.29

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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.