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Finding the Fourth Proportional to 119,670.93, 179,447.16 and 69,763.59

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Solution

The fourth proportional to 119,670.93, 179,447.16 and 69,763.59 is: 104,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,670.93 : 179,447.16 = 69,763.59 : x
  2. Step 2: Convert to fraction form
    119,670.93/179,447.16 = 69,763.59/x
  3. Step 3: Cross multiply
    119,670.93x = 179,447.16 × 69,763.59
  4. Step 4: Simplify right side
    119,670.93x = 12,518,878,358.52
  5. Step 5: Solve for x
    x = 12,518,878,358.52/119,670.93
  6. Step 6: Final answer
    x = 104,610.86

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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.