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Finding the Fourth Proportional to 240,421.05, 360,614.52 and 82,646.01

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Solution

The fourth proportional to 240,421.05, 360,614.52 and 82,646.01 is: 123,963.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,421.05 : 360,614.52 = 82,646.01 : x
  2. Step 2: Convert to fraction form
    240,421.05/360,614.52 = 82,646.01/x
  3. Step 3: Cross multiply
    240,421.05x = 360,614.52 × 82,646.01
  4. Step 4: Simplify right side
    240,421.05x = 29,803,351,226.07
  5. Step 5: Solve for x
    x = 29,803,351,226.07/240,421.05
  6. Step 6: Final answer
    x = 123,963.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.