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Finding the Fourth Proportional to 97,188, 145,452.81 and 59,771.79

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Solution

The fourth proportional to 97,188, 145,452.81 and 59,771.79 is: 89,455.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,188 : 145,452.81 = 59,771.79 : x
  2. Step 2: Convert to fraction form
    97,188/145,452.81 = 59,771.79/x
  3. Step 3: Cross multiply
    97,188x = 145,452.81 × 59,771.79
  4. Step 4: Simplify right side
    97,188x = 8,693,974,814.23
  5. Step 5: Solve for x
    x = 8,693,974,814.23/97,188
  6. Step 6: Final answer
    x = 89,455.23

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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.