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Finding the Fourth Proportional to 120,793.98, 166,683.51 and 70,522.14

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Solution

The fourth proportional to 120,793.98, 166,683.51 and 70,522.14 is: 97,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,793.98 : 166,683.51 = 70,522.14 : x
  2. Step 2: Convert to fraction form
    120,793.98/166,683.51 = 70,522.14/x
  3. Step 3: Cross multiply
    120,793.98x = 166,683.51 × 70,522.14
  4. Step 4: Simplify right side
    120,793.98x = 11,754,877,827.91
  5. Step 5: Solve for x
    x = 11,754,877,827.91/120,793.98
  6. Step 6: Final answer
    x = 97,313.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.