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Finding the Fourth Proportional to 70,615.53, 97,452.50 and 40,410.33

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Solution

The fourth proportional to 70,615.53, 97,452.50 and 40,410.33 is: 55,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,615.53 : 97,452.50 = 40,410.33 : x
  2. Step 2: Convert to fraction form
    70,615.53/97,452.50 = 40,410.33/x
  3. Step 3: Cross multiply
    70,615.53x = 97,452.50 × 40,410.33
  4. Step 4: Simplify right side
    70,615.53x = 3,938,087,482.27
  5. Step 5: Solve for x
    x = 3,938,087,482.27/70,615.53
  6. Step 6: Final answer
    x = 55,768.01

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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.