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Finding the Fourth Proportional to 133,466.76, 200,250.18 and 69,384.78

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Solution

The fourth proportional to 133,466.76, 200,250.18 and 69,384.78 is: 104,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,466.76 : 200,250.18 = 69,384.78 : x
  2. Step 2: Convert to fraction form
    133,466.76/200,250.18 = 69,384.78/x
  3. Step 3: Cross multiply
    133,466.76x = 200,250.18 × 69,384.78
  4. Step 4: Simplify right side
    133,466.76x = 13,894,314,684.26
  5. Step 5: Solve for x
    x = 13,894,314,684.26/133,466.76
  6. Step 6: Final answer
    x = 104,103.18

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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.