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Finding the Fourth Proportional to 92,822.92, 128,065.14 and 52,532.68

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Solution

The fourth proportional to 92,822.92, 128,065.14 and 52,532.68 is: 72,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,822.92 : 128,065.14 = 52,532.68 : x
  2. Step 2: Convert to fraction form
    92,822.92/128,065.14 = 52,532.68/x
  3. Step 3: Cross multiply
    92,822.92x = 128,065.14 × 52,532.68
  4. Step 4: Simplify right side
    92,822.92x = 6,727,605,018.78
  5. Step 5: Solve for x
    x = 6,727,605,018.78/92,822.92
  6. Step 6: Final answer
    x = 72,477.84

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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.