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Finding the Fourth Proportional to 195,389.60, 292,209.60 and 163,896.80

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Solution

The fourth proportional to 195,389.60, 292,209.60 and 163,896.80 is: 245,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,389.60 : 292,209.60 = 163,896.80 : x
  2. Step 2: Convert to fraction form
    195,389.60/292,209.60 = 163,896.80/x
  3. Step 3: Cross multiply
    195,389.60x = 292,209.60 × 163,896.80
  4. Step 4: Simplify right side
    195,389.60x = 47,892,218,369.28
  5. Step 5: Solve for x
    x = 47,892,218,369.28/195,389.60
  6. Step 6: Final answer
    x = 245,111.40

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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.