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Finding the Fourth Proportional to 389,160.95, 583,693.11 and 104,873.74

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Solution

The fourth proportional to 389,160.95, 583,693.11 and 104,873.74 is: 157,297.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,160.95 : 583,693.11 = 104,873.74 : x
  2. Step 2: Convert to fraction form
    389,160.95/583,693.11 = 104,873.74/x
  3. Step 3: Cross multiply
    389,160.95x = 583,693.11 × 104,873.74
  4. Step 4: Simplify right side
    389,160.95x = 61,214,077,998.70
  5. Step 5: Solve for x
    x = 61,214,077,998.70/389,160.95
  6. Step 6: Final answer
    x = 157,297.59

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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.