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Finding the Fourth Proportional to 147,967.30, 221,805.15 and 73,026.10

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Solution

The fourth proportional to 147,967.30, 221,805.15 and 73,026.10 is: 109,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,967.30 : 221,805.15 = 73,026.10 : x
  2. Step 2: Convert to fraction form
    147,967.30/221,805.15 = 73,026.10/x
  3. Step 3: Cross multiply
    147,967.30x = 221,805.15 × 73,026.10
  4. Step 4: Simplify right side
    147,967.30x = 16,197,565,064.42
  5. Step 5: Solve for x
    x = 16,197,565,064.42/147,967.30
  6. Step 6: Final answer
    x = 109,467.19

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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.