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Finding the Fourth Proportional to 221,492.60, 332,238.90 and 162,006.20

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Solution

The fourth proportional to 221,492.60, 332,238.90 and 162,006.20 is: 243,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,492.60 : 332,238.90 = 162,006.20 : x
  2. Step 2: Convert to fraction form
    221,492.60/332,238.90 = 162,006.20/x
  3. Step 3: Cross multiply
    221,492.60x = 332,238.90 × 162,006.20
  4. Step 4: Simplify right side
    221,492.60x = 53,824,761,681.18
  5. Step 5: Solve for x
    x = 53,824,761,681.18/221,492.60
  6. Step 6: Final answer
    x = 243,009.30

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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.