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Finding the Fourth Proportional to 64,988.40, 97,597.80 and 50,233.20

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Solution

The fourth proportional to 64,988.40, 97,597.80 and 50,233.20 is: 75,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,988.40 : 97,597.80 = 50,233.20 : x
  2. Step 2: Convert to fraction form
    64,988.40/97,597.80 = 50,233.20/x
  3. Step 3: Cross multiply
    64,988.40x = 97,597.80 × 50,233.20
  4. Step 4: Simplify right side
    64,988.40x = 4,902,649,806.96
  5. Step 5: Solve for x
    x = 4,902,649,806.96/64,988.40
  6. Step 6: Final answer
    x = 75,438.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.