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Finding the Fourth Proportional to 97,147.34, 145,510.08 and 47,122.29

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Solution

The fourth proportional to 97,147.34, 145,510.08 and 47,122.29 is: 70,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,147.34 : 145,510.08 = 47,122.29 : x
  2. Step 2: Convert to fraction form
    97,147.34/145,510.08 = 47,122.29/x
  3. Step 3: Cross multiply
    97,147.34x = 145,510.08 × 47,122.29
  4. Step 4: Simplify right side
    97,147.34x = 6,856,768,187.68
  5. Step 5: Solve for x
    x = 6,856,768,187.68/97,147.34
  6. Step 6: Final answer
    x = 70,581.12

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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.