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Finding the Fourth Proportional to 70,864.83, 97,773.81 and 49,330.35

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Solution

The fourth proportional to 70,864.83, 97,773.81 and 49,330.35 is: 68,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,864.83 : 97,773.81 = 49,330.35 : x
  2. Step 2: Convert to fraction form
    70,864.83/97,773.81 = 49,330.35/x
  3. Step 3: Cross multiply
    70,864.83x = 97,773.81 × 49,330.35
  4. Step 4: Simplify right side
    70,864.83x = 4,823,216,268.13
  5. Step 5: Solve for x
    x = 4,823,216,268.13/70,864.83
  6. Step 6: Final answer
    x = 68,062.20

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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.