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Finding the Fourth Proportional to 162,522.40, 243,783.60 and 136,278.40

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Solution

The fourth proportional to 162,522.40, 243,783.60 and 136,278.40 is: 204,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,522.40 : 243,783.60 = 136,278.40 : x
  2. Step 2: Convert to fraction form
    162,522.40/243,783.60 = 136,278.40/x
  3. Step 3: Cross multiply
    162,522.40x = 243,783.60 × 136,278.40
  4. Step 4: Simplify right side
    162,522.40x = 33,222,438,954.24
  5. Step 5: Solve for x
    x = 33,222,438,954.24/162,522.40
  6. Step 6: Final answer
    x = 204,417.60

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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.