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Finding the Fourth Proportional to 195,393.60, 292,215.60 and 163,900.80

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Solution

The fourth proportional to 195,393.60, 292,215.60 and 163,900.80 is: 245,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,393.60 : 292,215.60 = 163,900.80 : x
  2. Step 2: Convert to fraction form
    195,393.60/292,215.60 = 163,900.80/x
  3. Step 3: Cross multiply
    195,393.60x = 292,215.60 × 163,900.80
  4. Step 4: Simplify right side
    195,393.60x = 47,894,370,612.48
  5. Step 5: Solve for x
    x = 47,894,370,612.48/195,393.60
  6. Step 6: Final answer
    x = 245,117.40

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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.