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Finding the Fourth Proportional to 157,067.40, 235,601.10 and 94,859.40

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Solution

The fourth proportional to 157,067.40, 235,601.10 and 94,859.40 is: 142,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,067.40 : 235,601.10 = 94,859.40 : x
  2. Step 2: Convert to fraction form
    157,067.40/235,601.10 = 94,859.40/x
  3. Step 3: Cross multiply
    157,067.40x = 235,601.10 × 94,859.40
  4. Step 4: Simplify right side
    157,067.40x = 22,348,978,985.34
  5. Step 5: Solve for x
    x = 22,348,978,985.34/157,067.40
  6. Step 6: Final answer
    x = 142,289.10

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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.