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Finding the Fourth Proportional to 73,482.44, 101,428.68 and 43,265.36

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Solution

The fourth proportional to 73,482.44, 101,428.68 and 43,265.36 is: 59,719.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,482.44 : 101,428.68 = 43,265.36 : x
  2. Step 2: Convert to fraction form
    73,482.44/101,428.68 = 43,265.36/x
  3. Step 3: Cross multiply
    73,482.44x = 101,428.68 × 43,265.36
  4. Step 4: Simplify right side
    73,482.44x = 4,388,348,354.52
  5. Step 5: Solve for x
    x = 4,388,348,354.52/73,482.44
  6. Step 6: Final answer
    x = 59,719.69

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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.