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Finding the Fourth Proportional to 239,966.37, 360,054.56 and 113,696.80

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Solution

The fourth proportional to 239,966.37, 360,054.56 and 113,696.80 is: 170,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,966.37 : 360,054.56 = 113,696.80 : x
  2. Step 2: Convert to fraction form
    239,966.37/360,054.56 = 113,696.80/x
  3. Step 3: Cross multiply
    239,966.37x = 360,054.56 × 113,696.80
  4. Step 4: Simplify right side
    239,966.37x = 40,937,050,681.51
  5. Step 5: Solve for x
    x = 40,937,050,681.51/239,966.37
  6. Step 6: Final answer
    x = 170,594.95

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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.