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Finding the Fourth Proportional to 195,252.80, 292,490.40 and 101,811.20

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Solution

The fourth proportional to 195,252.80, 292,490.40 and 101,811.20 is: 152,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,252.80 : 292,490.40 = 101,811.20 : x
  2. Step 2: Convert to fraction form
    195,252.80/292,490.40 = 101,811.20/x
  3. Step 3: Cross multiply
    195,252.80x = 292,490.40 × 101,811.20
  4. Step 4: Simplify right side
    195,252.80x = 29,778,798,612.48
  5. Step 5: Solve for x
    x = 29,778,798,612.48/195,252.80
  6. Step 6: Final answer
    x = 152,514.07

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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.