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Finding the Fourth Proportional to 147,929, 221,949.34 and 88,805.88

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Solution

The fourth proportional to 147,929, 221,949.34 and 88,805.88 is: 133,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,929 : 221,949.34 = 88,805.88 : x
  2. Step 2: Convert to fraction form
    147,929/221,949.34 = 88,805.88/x
  3. Step 3: Cross multiply
    147,929x = 221,949.34 × 88,805.88
  4. Step 4: Simplify right side
    147,929x = 19,710,406,454.12
  5. Step 5: Solve for x
    x = 19,710,406,454.12/147,929
  6. Step 6: Final answer
    x = 133,242.34

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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.