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Finding the Fourth Proportional to 73,185.78, 101,068.14 and 62,513.22

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Solution

The fourth proportional to 73,185.78, 101,068.14 and 62,513.22 is: 86,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,185.78 : 101,068.14 = 62,513.22 : x
  2. Step 2: Convert to fraction form
    73,185.78/101,068.14 = 62,513.22/x
  3. Step 3: Cross multiply
    73,185.78x = 101,068.14 × 62,513.22
  4. Step 4: Simplify right side
    73,185.78x = 6,318,094,870.81
  5. Step 5: Solve for x
    x = 6,318,094,870.81/73,185.78
  6. Step 6: Final answer
    x = 86,329.54

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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.