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Finding the Fourth Proportional to 70,437.96, 97,199.44 and 40,224.96

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Solution

The fourth proportional to 70,437.96, 97,199.44 and 40,224.96 is: 55,507.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,437.96 : 97,199.44 = 40,224.96 : x
  2. Step 2: Convert to fraction form
    70,437.96/97,199.44 = 40,224.96/x
  3. Step 3: Cross multiply
    70,437.96x = 97,199.44 × 40,224.96
  4. Step 4: Simplify right side
    70,437.96x = 3,909,843,586.02
  5. Step 5: Solve for x
    x = 3,909,843,586.02/70,437.96
  6. Step 6: Final answer
    x = 55,507.62

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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.