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Finding the Fourth Proportional to 163,624.60, 245,436.90 and 146,517.40

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Solution

The fourth proportional to 163,624.60, 245,436.90 and 146,517.40 is: 219,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,624.60 : 245,436.90 = 146,517.40 : x
  2. Step 2: Convert to fraction form
    163,624.60/245,436.90 = 146,517.40/x
  3. Step 3: Cross multiply
    163,624.60x = 245,436.90 × 146,517.40
  4. Step 4: Simplify right side
    163,624.60x = 35,960,776,452.06
  5. Step 5: Solve for x
    x = 35,960,776,452.06/163,624.60
  6. Step 6: Final answer
    x = 219,776.10

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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.