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Finding the Fourth Proportional to 157,399.20, 236,127.60 and 63,914.40

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Solution

The fourth proportional to 157,399.20, 236,127.60 and 63,914.40 is: 95,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,399.20 : 236,127.60 = 63,914.40 : x
  2. Step 2: Convert to fraction form
    157,399.20/236,127.60 = 63,914.40/x
  3. Step 3: Cross multiply
    157,399.20x = 236,127.60 × 63,914.40
  4. Step 4: Simplify right side
    157,399.20x = 15,091,953,877.44
  5. Step 5: Solve for x
    x = 15,091,953,877.44/157,399.20
  6. Step 6: Final answer
    x = 95,883.29

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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.