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Finding the Fourth Proportional to 147,522.88, 221,312.88 and 63,271.28

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Solution

The fourth proportional to 147,522.88, 221,312.88 and 63,271.28 is: 94,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,522.88 : 221,312.88 = 63,271.28 : x
  2. Step 2: Convert to fraction form
    147,522.88/221,312.88 = 63,271.28/x
  3. Step 3: Cross multiply
    147,522.88x = 221,312.88 × 63,271.28
  4. Step 4: Simplify right side
    147,522.88x = 14,002,749,198.09
  5. Step 5: Solve for x
    x = 14,002,749,198.09/147,522.88
  6. Step 6: Final answer
    x = 94,919.17

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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.