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Finding the Fourth Proportional to 122,271.84, 168,582.80 and 96,727.84

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Solution

The fourth proportional to 122,271.84, 168,582.80 and 96,727.84 is: 133,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,271.84 : 168,582.80 = 96,727.84 : x
  2. Step 2: Convert to fraction form
    122,271.84/168,582.80 = 96,727.84/x
  3. Step 3: Cross multiply
    122,271.84x = 168,582.80 × 96,727.84
  4. Step 4: Simplify right side
    122,271.84x = 16,306,650,105.15
  5. Step 5: Solve for x
    x = 16,306,650,105.15/122,271.84
  6. Step 6: Final answer
    x = 133,363.91

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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.