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Finding the Fourth Proportional to 79,024.40, 118,629.20 and 62,395.64

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Solution

The fourth proportional to 79,024.40, 118,629.20 and 62,395.64 is: 93,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,024.40 : 118,629.20 = 62,395.64 : x
  2. Step 2: Convert to fraction form
    79,024.40/118,629.20 = 62,395.64/x
  3. Step 3: Cross multiply
    79,024.40x = 118,629.20 × 62,395.64
  4. Step 4: Simplify right side
    79,024.40x = 7,401,944,856.69
  5. Step 5: Solve for x
    x = 7,401,944,856.69/79,024.40
  6. Step 6: Final answer
    x = 93,666.57

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1.5x scale

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.