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Finding the Fourth Proportional to 195,622.40, 293,347.20 and 77,254.40

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Solution

The fourth proportional to 195,622.40, 293,347.20 and 77,254.40 is: 115,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,622.40 : 293,347.20 = 77,254.40 : x
  2. Step 2: Convert to fraction form
    195,622.40/293,347.20 = 77,254.40/x
  3. Step 3: Cross multiply
    195,622.40x = 293,347.20 × 77,254.40
  4. Step 4: Simplify right side
    195,622.40x = 22,662,361,927.68
  5. Step 5: Solve for x
    x = 22,662,361,927.68/195,622.40
  6. Step 6: Final answer
    x = 115,847.48

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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.