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Finding the Fourth Proportional to 162,570.16, 243,899.07 and 67,768.84

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Solution

The fourth proportional to 162,570.16, 243,899.07 and 67,768.84 is: 101,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,570.16 : 243,899.07 = 67,768.84 : x
  2. Step 2: Convert to fraction form
    162,570.16/243,899.07 = 67,768.84/x
  3. Step 3: Cross multiply
    162,570.16x = 243,899.07 × 67,768.84
  4. Step 4: Simplify right side
    162,570.16x = 16,528,757,050.98
  5. Step 5: Solve for x
    x = 16,528,757,050.98/162,570.16
  6. Step 6: Final answer
    x = 101,671.53

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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.