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Finding the Fourth Proportional to 104,601.39, 144,351.39 and 56,854.74

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Solution

The fourth proportional to 104,601.39, 144,351.39 and 56,854.74 is: 78,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,601.39 : 144,351.39 = 56,854.74 : x
  2. Step 2: Convert to fraction form
    104,601.39/144,351.39 = 56,854.74/x
  3. Step 3: Cross multiply
    104,601.39x = 144,351.39 × 56,854.74
  4. Step 4: Simplify right side
    104,601.39x = 8,207,060,747.09
  5. Step 5: Solve for x
    x = 8,207,060,747.09/104,601.39
  6. Step 6: Final answer
    x = 78,460.34

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1.5x scale

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.