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Finding the Fourth Proportional to 147,701.30, 221,033.55 and 101,045.30

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Solution

The fourth proportional to 147,701.30, 221,033.55 and 101,045.30 is: 151,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,701.30 : 221,033.55 = 101,045.30 : x
  2. Step 2: Convert to fraction form
    147,701.30/221,033.55 = 101,045.30/x
  3. Step 3: Cross multiply
    147,701.30x = 221,033.55 × 101,045.30
  4. Step 4: Simplify right side
    147,701.30x = 22,334,401,369.82
  5. Step 5: Solve for x
    x = 22,334,401,369.82/147,701.30
  6. Step 6: Final answer
    x = 151,213.30

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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.