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Finding the Fourth Proportional to 157,672.80, 236,509.20 and 95,464.80

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Solution

The fourth proportional to 157,672.80, 236,509.20 and 95,464.80 is: 143,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,672.80 : 236,509.20 = 95,464.80 : x
  2. Step 2: Convert to fraction form
    157,672.80/236,509.20 = 95,464.80/x
  3. Step 3: Cross multiply
    157,672.80x = 236,509.20 × 95,464.80
  4. Step 4: Simplify right side
    157,672.80x = 22,578,303,476.16
  5. Step 5: Solve for x
    x = 22,578,303,476.16/157,672.80
  6. Step 6: Final answer
    x = 143,197.20

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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.