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Finding the Fourth Proportional to 103,651.41, 155,468.16 and 63,114.46

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Solution

The fourth proportional to 103,651.41, 155,468.16 and 63,114.46 is: 94,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,651.41 : 155,468.16 = 63,114.46 : x
  2. Step 2: Convert to fraction form
    103,651.41/155,468.16 = 63,114.46/x
  3. Step 3: Cross multiply
    103,651.41x = 155,468.16 × 63,114.46
  4. Step 4: Simplify right side
    103,651.41x = 9,812,288,576.92
  5. Step 5: Solve for x
    x = 9,812,288,576.92/103,651.41
  6. Step 6: Final answer
    x = 94,666.23

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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.