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Finding the Fourth Proportional to 73,090.32, 100,864.53 and 41,258.55

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Solution

The fourth proportional to 73,090.32, 100,864.53 and 41,258.55 is: 56,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,090.32 : 100,864.53 = 41,258.55 : x
  2. Step 2: Convert to fraction form
    73,090.32/100,864.53 = 41,258.55/x
  3. Step 3: Cross multiply
    73,090.32x = 100,864.53 × 41,258.55
  4. Step 4: Simplify right side
    73,090.32x = 4,161,524,254.23
  5. Step 5: Solve for x
    x = 4,161,524,254.23/73,090.32
  6. Step 6: Final answer
    x = 56,936.74

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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.