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Finding the Fourth Proportional to 145,004.61, 217,531.01 and 60,771.11

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Solution

The fourth proportional to 145,004.61, 217,531.01 and 60,771.11 is: 91,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,004.61 : 217,531.01 = 60,771.11 : x
  2. Step 2: Convert to fraction form
    145,004.61/217,531.01 = 60,771.11/x
  3. Step 3: Cross multiply
    145,004.61x = 217,531.01 × 60,771.11
  4. Step 4: Simplify right side
    145,004.61x = 13,219,600,883.17
  5. Step 5: Solve for x
    x = 13,219,600,883.17/145,004.61
  6. Step 6: Final answer
    x = 91,166.76

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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.