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Finding the Fourth Proportional to 215,752.41, 297,726.03 and 120,255.84

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Solution

The fourth proportional to 215,752.41, 297,726.03 and 120,255.84 is: 165,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,752.41 : 297,726.03 = 120,255.84 : x
  2. Step 2: Convert to fraction form
    215,752.41/297,726.03 = 120,255.84/x
  3. Step 3: Cross multiply
    215,752.41x = 297,726.03 × 120,255.84
  4. Step 4: Simplify right side
    215,752.41x = 35,803,293,827.52
  5. Step 5: Solve for x
    x = 35,803,293,827.52/215,752.41
  6. Step 6: Final answer
    x = 165,946.21

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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.