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Finding the Fourth Proportional to 195,130.80, 292,258.80 and 160,138.80

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Solution

The fourth proportional to 195,130.80, 292,258.80 and 160,138.80 is: 239,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,130.80 : 292,258.80 = 160,138.80 : x
  2. Step 2: Convert to fraction form
    195,130.80/292,258.80 = 160,138.80/x
  3. Step 3: Cross multiply
    195,130.80x = 292,258.80 × 160,138.80
  4. Step 4: Simplify right side
    195,130.80x = 46,801,973,521.44
  5. Step 5: Solve for x
    x = 46,801,973,521.44/195,130.80
  6. Step 6: Final answer
    x = 239,849.24

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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.