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Finding the Fourth Proportional to 141,480.96, 212,221.44 and 67,384.32

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Solution

The fourth proportional to 141,480.96, 212,221.44 and 67,384.32 is: 101,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,480.96 : 212,221.44 = 67,384.32 : x
  2. Step 2: Convert to fraction form
    141,480.96/212,221.44 = 67,384.32/x
  3. Step 3: Cross multiply
    141,480.96x = 212,221.44 × 67,384.32
  4. Step 4: Simplify right side
    141,480.96x = 14,300,397,423.82
  5. Step 5: Solve for x
    x = 14,300,397,423.82/141,480.96
  6. Step 6: Final answer
    x = 101,076.48

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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.