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Finding the Fourth Proportional to 174,407.88, 240,690.84 and 102,790.92

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Solution

The fourth proportional to 174,407.88, 240,690.84 and 102,790.92 is: 141,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,407.88 : 240,690.84 = 102,790.92 : x
  2. Step 2: Convert to fraction form
    174,407.88/240,690.84 = 102,790.92/x
  3. Step 3: Cross multiply
    174,407.88x = 240,690.84 × 102,790.92
  4. Step 4: Simplify right side
    174,407.88x = 24,740,832,879.17
  5. Step 5: Solve for x
    x = 24,740,832,879.17/174,407.88
  6. Step 6: Final answer
    x = 141,856.16

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Why These Related Problems?

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