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Finding the Fourth Proportional to 97,392.89, 146,154.95 and 38,221.58

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Solution

The fourth proportional to 97,392.89, 146,154.95 and 38,221.58 is: 57,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,392.89 : 146,154.95 = 38,221.58 : x
  2. Step 2: Convert to fraction form
    97,392.89/146,154.95 = 38,221.58/x
  3. Step 3: Cross multiply
    97,392.89x = 146,154.95 × 38,221.58
  4. Step 4: Simplify right side
    97,392.89x = 5,586,273,431.43
  5. Step 5: Solve for x
    x = 5,586,273,431.43/97,392.89
  6. Step 6: Final answer
    x = 57,358.12

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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.