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Finding the Fourth Proportional to 73,612.08, 101,583.96 and 40,078.08

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Solution

The fourth proportional to 73,612.08, 101,583.96 and 40,078.08 is: 55,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,612.08 : 101,583.96 = 40,078.08 : x
  2. Step 2: Convert to fraction form
    73,612.08/101,583.96 = 40,078.08/x
  3. Step 3: Cross multiply
    73,612.08x = 101,583.96 × 40,078.08
  4. Step 4: Simplify right side
    73,612.08x = 4,071,290,075.60
  5. Step 5: Solve for x
    x = 4,071,290,075.60/73,612.08
  6. Step 6: Final answer
    x = 55,307.36

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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.