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Finding the Fourth Proportional to 269,006.10, 403,509.15 and 164,030.10

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Solution

The fourth proportional to 269,006.10, 403,509.15 and 164,030.10 is: 246,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,006.10 : 403,509.15 = 164,030.10 : x
  2. Step 2: Convert to fraction form
    269,006.10/403,509.15 = 164,030.10/x
  3. Step 3: Cross multiply
    269,006.10x = 403,509.15 × 164,030.10
  4. Step 4: Simplify right side
    269,006.10x = 66,187,646,225.42
  5. Step 5: Solve for x
    x = 66,187,646,225.42/269,006.10
  6. Step 6: Final answer
    x = 246,045.15

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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.