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Finding the Fourth Proportional to 141,774.84, 212,691.42 and 97,422.48

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Solution

The fourth proportional to 141,774.84, 212,691.42 and 97,422.48 is: 146,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,774.84 : 212,691.42 = 97,422.48 : x
  2. Step 2: Convert to fraction form
    141,774.84/212,691.42 = 97,422.48/x
  3. Step 3: Cross multiply
    141,774.84x = 212,691.42 × 97,422.48
  4. Step 4: Simplify right side
    141,774.84x = 20,720,925,611.12
  5. Step 5: Solve for x
    x = 20,720,925,611.12/141,774.84
  6. Step 6: Final answer
    x = 146,153.76

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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.