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Finding the Fourth Proportional to 92,840.43, 139,259.10 and 29,660.10

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Solution

The fourth proportional to 92,840.43, 139,259.10 and 29,660.10 is: 44,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,840.43 : 139,259.10 = 29,660.10 : x
  2. Step 2: Convert to fraction form
    92,840.43/139,259.10 = 29,660.10/x
  3. Step 3: Cross multiply
    92,840.43x = 139,259.10 × 29,660.10
  4. Step 4: Simplify right side
    92,840.43x = 4,130,438,831.91
  5. Step 5: Solve for x
    x = 4,130,438,831.91/92,840.43
  6. Step 6: Final answer
    x = 44,489.66

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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.