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Finding the Fourth Proportional to 73,352, 101,226.98 and 39,818

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Solution

The fourth proportional to 73,352, 101,226.98 and 39,818 is: 54,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,352 : 101,226.98 = 39,818 : x
  2. Step 2: Convert to fraction form
    73,352/101,226.98 = 39,818/x
  3. Step 3: Cross multiply
    73,352x = 101,226.98 × 39,818
  4. Step 4: Simplify right side
    73,352x = 4,030,655,889.64
  5. Step 5: Solve for x
    x = 4,030,655,889.64/73,352
  6. Step 6: Final answer
    x = 54,949.50

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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.