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Finding the Fourth Proportional to 60,495.14, 90,749.99 and 25,430.24

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Solution

The fourth proportional to 60,495.14, 90,749.99 and 25,430.24 is: 38,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,495.14 : 90,749.99 = 25,430.24 : x
  2. Step 2: Convert to fraction form
    60,495.14/90,749.99 = 25,430.24/x
  3. Step 3: Cross multiply
    60,495.14x = 90,749.99 × 25,430.24
  4. Step 4: Simplify right side
    60,495.14x = 2,307,793,635.52
  5. Step 5: Solve for x
    x = 2,307,793,635.52/60,495.14
  6. Step 6: Final answer
    x = 38,148.42

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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.