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Finding the Fourth Proportional to 92,632.60, 139,134.90 and 55,265.68

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Solution

The fourth proportional to 92,632.60, 139,134.90 and 55,265.68 is: 83,009.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,632.60 : 139,134.90 = 55,265.68 : x
  2. Step 2: Convert to fraction form
    92,632.60/139,134.90 = 55,265.68/x
  3. Step 3: Cross multiply
    92,632.60x = 139,134.90 × 55,265.68
  4. Step 4: Simplify right side
    92,632.60x = 7,689,384,860.23
  5. Step 5: Solve for x
    x = 7,689,384,860.23/92,632.60
  6. Step 6: Final answer
    x = 83,009.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.