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Finding the Fourth Proportional to 122,924.94, 169,432.47 and 87,068.94

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Solution

The fourth proportional to 122,924.94, 169,432.47 and 87,068.94 is: 120,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,924.94 : 169,432.47 = 87,068.94 : x
  2. Step 2: Convert to fraction form
    122,924.94/169,432.47 = 87,068.94/x
  3. Step 3: Cross multiply
    122,924.94x = 169,432.47 × 87,068.94
  4. Step 4: Simplify right side
    122,924.94x = 14,752,305,564.48
  5. Step 5: Solve for x
    x = 14,752,305,564.48/122,924.94
  6. Step 6: Final answer
    x = 120,010.68

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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.