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Finding the Fourth Proportional to 281,594.58, 388,628.38 and 160,754.02

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Solution

The fourth proportional to 281,594.58, 388,628.38 and 160,754.02 is: 221,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,594.58 : 388,628.38 = 160,754.02 : x
  2. Step 2: Convert to fraction form
    281,594.58/388,628.38 = 160,754.02/x
  3. Step 3: Cross multiply
    281,594.58x = 388,628.38 × 160,754.02
  4. Step 4: Simplify right side
    281,594.58x = 62,473,573,600.46
  5. Step 5: Solve for x
    x = 62,473,573,600.46/281,594.58
  6. Step 6: Final answer
    x = 221,856.45

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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.