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Finding the Fourth Proportional to 70,652.19, 97,499.75 and 40,437.39

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Solution

The fourth proportional to 70,652.19, 97,499.75 and 40,437.39 is: 55,803.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,652.19 : 97,499.75 = 40,437.39 : x
  2. Step 2: Convert to fraction form
    70,652.19/97,499.75 = 40,437.39/x
  3. Step 3: Cross multiply
    70,652.19x = 97,499.75 × 40,437.39
  4. Step 4: Simplify right side
    70,652.19x = 3,942,635,213.47
  5. Step 5: Solve for x
    x = 3,942,635,213.47/70,652.19
  6. Step 6: Final answer
    x = 55,803.44

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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.