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Finding the Fourth Proportional to 145,073.71, 216,549.52 and 134,388.37

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Solution

The fourth proportional to 145,073.71, 216,549.52 and 134,388.37 is: 200,599.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,073.71 : 216,549.52 = 134,388.37 : x
  2. Step 2: Convert to fraction form
    145,073.71/216,549.52 = 134,388.37/x
  3. Step 3: Cross multiply
    145,073.71x = 216,549.52 × 134,388.37
  4. Step 4: Simplify right side
    145,073.71x = 29,101,737,942.73
  5. Step 5: Solve for x
    x = 29,101,737,942.73/145,073.71
  6. Step 6: Final answer
    x = 200,599.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.