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Finding the Fourth Proportional to 147,627.40, 221,469.90 and 63,387.40

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Solution

The fourth proportional to 147,627.40, 221,469.90 and 63,387.40 is: 95,093.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,627.40 : 221,469.90 = 63,387.40 : x
  2. Step 2: Convert to fraction form
    147,627.40/221,469.90 = 63,387.40/x
  3. Step 3: Cross multiply
    147,627.40x = 221,469.90 × 63,387.40
  4. Step 4: Simplify right side
    147,627.40x = 14,038,401,139.26
  5. Step 5: Solve for x
    x = 14,038,401,139.26/147,627.40
  6. Step 6: Final answer
    x = 95,093.47

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1.5x scale

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.