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Finding the Fourth Proportional to 236,266.88, 354,460.20 and 78,496.16

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Solution

The fourth proportional to 236,266.88, 354,460.20 and 78,496.16 is: 117,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,266.88 : 354,460.20 = 78,496.16 : x
  2. Step 2: Convert to fraction form
    236,266.88/354,460.20 = 78,496.16/x
  3. Step 3: Cross multiply
    236,266.88x = 354,460.20 × 78,496.16
  4. Step 4: Simplify right side
    236,266.88x = 27,823,764,572.83
  5. Step 5: Solve for x
    x = 27,823,764,572.83/236,266.88
  6. Step 6: Final answer
    x = 117,764.13

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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.