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Finding the Fourth Proportional to 162,278.84, 243,441.30 and 49,968.40

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Solution

The fourth proportional to 162,278.84, 243,441.30 and 49,968.40 is: 74,959.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,278.84 : 243,441.30 = 49,968.40 : x
  2. Step 2: Convert to fraction form
    162,278.84/243,441.30 = 49,968.40/x
  3. Step 3: Cross multiply
    162,278.84x = 243,441.30 × 49,968.40
  4. Step 4: Simplify right side
    162,278.84x = 12,164,372,254.92
  5. Step 5: Solve for x
    x = 12,164,372,254.92/162,278.84
  6. Step 6: Final answer
    x = 74,959.69

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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.