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Finding the Fourth Proportional to 70,443.43, 97,221.90 and 43,594.58

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Solution

The fourth proportional to 70,443.43, 97,221.90 and 43,594.58 is: 60,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,443.43 : 97,221.90 = 43,594.58 : x
  2. Step 2: Convert to fraction form
    70,443.43/97,221.90 = 43,594.58/x
  3. Step 3: Cross multiply
    70,443.43x = 97,221.90 × 43,594.58
  4. Step 4: Simplify right side
    70,443.43x = 4,238,347,897.30
  5. Step 5: Solve for x
    x = 4,238,347,897.30/70,443.43
  6. Step 6: Final answer
    x = 60,166.69

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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.