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Finding the Fourth Proportional to 147,492.32, 221,214 and 63,266

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Solution

The fourth proportional to 147,492.32, 221,214 and 63,266 is: 94,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,492.32 : 221,214 = 63,266 : x
  2. Step 2: Convert to fraction form
    147,492.32/221,214 = 63,266/x
  3. Step 3: Cross multiply
    147,492.32x = 221,214 × 63,266
  4. Step 4: Simplify right side
    147,492.32x = 13,995,324,924
  5. Step 5: Solve for x
    x = 13,995,324,924/147,492.32
  6. Step 6: Final answer
    x = 94,888.50

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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.