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Finding the Fourth Proportional to 170,704.48, 235,560 and 94,208.32

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Solution

The fourth proportional to 170,704.48, 235,560 and 94,208.32 is: 130,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,704.48 : 235,560 = 94,208.32 : x
  2. Step 2: Convert to fraction form
    170,704.48/235,560 = 94,208.32/x
  3. Step 3: Cross multiply
    170,704.48x = 235,560 × 94,208.32
  4. Step 4: Simplify right side
    170,704.48x = 22,191,711,859.20
  5. Step 5: Solve for x
    x = 22,191,711,859.20/170,704.48
  6. Step 6: Final answer
    x = 130,000.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.