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Finding the Fourth Proportional to 362,788.04, 544,187.55 and 138,160.91

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Solution

The fourth proportional to 362,788.04, 544,187.55 and 138,160.91 is: 207,243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,788.04 : 544,187.55 = 138,160.91 : x
  2. Step 2: Convert to fraction form
    362,788.04/544,187.55 = 138,160.91/x
  3. Step 3: Cross multiply
    362,788.04x = 544,187.55 × 138,160.91
  4. Step 4: Simplify right side
    362,788.04x = 75,185,447,118.67
  5. Step 5: Solve for x
    x = 75,185,447,118.67/362,788.04
  6. Step 6: Final answer
    x = 207,243.46

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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.