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Finding the Fourth Proportional to 103,574.57, 155,361.87 and 32,508.18

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Solution

The fourth proportional to 103,574.57, 155,361.87 and 32,508.18 is: 48,762.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,574.57 : 155,361.87 = 32,508.18 : x
  2. Step 2: Convert to fraction form
    103,574.57/155,361.87 = 32,508.18/x
  3. Step 3: Cross multiply
    103,574.57x = 155,361.87 × 32,508.18
  4. Step 4: Simplify right side
    103,574.57x = 5,050,531,635.10
  5. Step 5: Solve for x
    x = 5,050,531,635.10/103,574.57
  6. Step 6: Final answer
    x = 48,762.28

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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.