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Finding the Fourth Proportional to 293,925.66, 405,615.51 and 159,789.66

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Solution

The fourth proportional to 293,925.66, 405,615.51 and 159,789.66 is: 220,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,925.66 : 405,615.51 = 159,789.66 : x
  2. Step 2: Convert to fraction form
    293,925.66/405,615.51 = 159,789.66/x
  3. Step 3: Cross multiply
    293,925.66x = 405,615.51 × 159,789.66
  4. Step 4: Simplify right side
    293,925.66x = 64,813,164,433.63
  5. Step 5: Solve for x
    x = 64,813,164,433.63/293,925.66
  6. Step 6: Final answer
    x = 220,508.70

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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.