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Finding the Fourth Proportional to 70,596.96, 97,416.64 and 42,301.92

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Solution

The fourth proportional to 70,596.96, 97,416.64 and 42,301.92 is: 58,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,596.96 : 97,416.64 = 42,301.92 : x
  2. Step 2: Convert to fraction form
    70,596.96/97,416.64 = 42,301.92/x
  3. Step 3: Cross multiply
    70,596.96x = 97,416.64 × 42,301.92
  4. Step 4: Simplify right side
    70,596.96x = 4,120,910,911.95
  5. Step 5: Solve for x
    x = 4,120,910,911.95/70,596.96
  6. Step 6: Final answer
    x = 58,372.36

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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.