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Finding the Fourth Proportional to 239,782.88, 359,746.32 and 113,519.36

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Solution

The fourth proportional to 239,782.88, 359,746.32 and 113,519.36 is: 170,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,782.88 : 359,746.32 = 113,519.36 : x
  2. Step 2: Convert to fraction form
    239,782.88/359,746.32 = 113,519.36/x
  3. Step 3: Cross multiply
    239,782.88x = 359,746.32 × 113,519.36
  4. Step 4: Simplify right side
    239,782.88x = 40,838,172,008.76
  5. Step 5: Solve for x
    x = 40,838,172,008.76/239,782.88
  6. Step 6: Final answer
    x = 170,313.13

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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.