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Finding the Fourth Proportional to 70,496.80, 97,234.80 and 45,322.24

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Solution

The fourth proportional to 70,496.80, 97,234.80 and 45,322.24 is: 62,512.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,496.80 : 97,234.80 = 45,322.24 : x
  2. Step 2: Convert to fraction form
    70,496.80/97,234.80 = 45,322.24/x
  3. Step 3: Cross multiply
    70,496.80x = 97,234.80 × 45,322.24
  4. Step 4: Simplify right side
    70,496.80x = 4,406,898,941.95
  5. Step 5: Solve for x
    x = 4,406,898,941.95/70,496.80
  6. Step 6: Final answer
    x = 62,512.04

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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.