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Finding the Fourth Proportional to 163,601.90, 245,220.60 and 63,728.90

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Solution

The fourth proportional to 163,601.90, 245,220.60 and 63,728.90 is: 95,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,601.90 : 245,220.60 = 63,728.90 : x
  2. Step 2: Convert to fraction form
    163,601.90/245,220.60 = 63,728.90/x
  3. Step 3: Cross multiply
    163,601.90x = 245,220.60 × 63,728.90
  4. Step 4: Simplify right side
    163,601.90x = 15,627,639,095.34
  5. Step 5: Solve for x
    x = 15,627,639,095.34/163,601.90
  6. Step 6: Final answer
    x = 95,522.36

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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.