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Finding the Fourth Proportional to 73,303, 101,158.18 and 39,769

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Solution

The fourth proportional to 73,303, 101,158.18 and 39,769 is: 54,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,303 : 101,158.18 = 39,769 : x
  2. Step 2: Convert to fraction form
    73,303/101,158.18 = 39,769/x
  3. Step 3: Cross multiply
    73,303x = 101,158.18 × 39,769
  4. Step 4: Simplify right side
    73,303x = 4,022,959,660.42
  5. Step 5: Solve for x
    x = 4,022,959,660.42/73,303
  6. Step 6: Final answer
    x = 54,881.24

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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.