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Finding the Fourth Proportional to 146,103.60, 219,155.40 and 89,022.90

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Solution

The fourth proportional to 146,103.60, 219,155.40 and 89,022.90 is: 133,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,103.60 : 219,155.40 = 89,022.90 : x
  2. Step 2: Convert to fraction form
    146,103.60/219,155.40 = 89,022.90/x
  3. Step 3: Cross multiply
    146,103.60x = 219,155.40 × 89,022.90
  4. Step 4: Simplify right side
    146,103.60x = 19,509,849,258.66
  5. Step 5: Solve for x
    x = 19,509,849,258.66/146,103.60
  6. Step 6: Final answer
    x = 133,534.35

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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.