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Finding the Fourth Proportional to 269,607.94, 404,421.63 and 101,111.20

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Solution

The fourth proportional to 269,607.94, 404,421.63 and 101,111.20 is: 151,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,607.94 : 404,421.63 = 101,111.20 : x
  2. Step 2: Convert to fraction form
    269,607.94/404,421.63 = 101,111.20/x
  3. Step 3: Cross multiply
    269,607.94x = 404,421.63 × 101,111.20
  4. Step 4: Simplify right side
    269,607.94x = 40,891,556,315.26
  5. Step 5: Solve for x
    x = 40,891,556,315.26/269,607.94
  6. Step 6: Final answer
    x = 151,670.45

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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.