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Finding the Fourth Proportional to 60,289.67, 90,495.32 and 53,315.57

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Solution

The fourth proportional to 60,289.67, 90,495.32 and 53,315.57 is: 80,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,289.67 : 90,495.32 = 53,315.57 : x
  2. Step 2: Convert to fraction form
    60,289.67/90,495.32 = 53,315.57/x
  3. Step 3: Cross multiply
    60,289.67x = 90,495.32 × 53,315.57
  4. Step 4: Simplify right side
    60,289.67x = 4,824,808,849.08
  5. Step 5: Solve for x
    x = 4,824,808,849.08/60,289.67
  6. Step 6: Final answer
    x = 80,027.13

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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.