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Finding the Fourth Proportional to 73,865.94, 101,925.66 and 42,035.40

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Solution

The fourth proportional to 73,865.94, 101,925.66 and 42,035.40 is: 58,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,865.94 : 101,925.66 = 42,035.40 : x
  2. Step 2: Convert to fraction form
    73,865.94/101,925.66 = 42,035.40/x
  3. Step 3: Cross multiply
    73,865.94x = 101,925.66 × 42,035.40
  4. Step 4: Simplify right side
    73,865.94x = 4,284,485,888.36
  5. Step 5: Solve for x
    x = 4,284,485,888.36/73,865.94
  6. Step 6: Final answer
    x = 58,003.54

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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.