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Finding the Fourth Proportional to 162,643.55, 244,244.50 and 99,832.50

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Solution

The fourth proportional to 162,643.55, 244,244.50 and 99,832.50 is: 149,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,643.55 : 244,244.50 = 99,832.50 : x
  2. Step 2: Convert to fraction form
    162,643.55/244,244.50 = 99,832.50/x
  3. Step 3: Cross multiply
    162,643.55x = 244,244.50 × 99,832.50
  4. Step 4: Simplify right side
    162,643.55x = 24,383,538,796.67
  5. Step 5: Solve for x
    x = 24,383,538,796.67/162,643.55
  6. Step 6: Final answer
    x = 149,920.11

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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.