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Finding the Fourth Proportional to 119,291.01, 164,555.90 and 75,603.65

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Solution

The fourth proportional to 119,291.01, 164,555.90 and 75,603.65 is: 104,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,291.01 : 164,555.90 = 75,603.65 : x
  2. Step 2: Convert to fraction form
    119,291.01/164,555.90 = 75,603.65/x
  3. Step 3: Cross multiply
    119,291.01x = 164,555.90 × 75,603.65
  4. Step 4: Simplify right side
    119,291.01x = 12,441,026,177.02
  5. Step 5: Solve for x
    x = 12,441,026,177.02/119,291.01
  6. Step 6: Final answer
    x = 104,291.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.