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Finding the Fourth Proportional to 272,185.47, 375,628.41 and 151,339.14

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Solution

The fourth proportional to 272,185.47, 375,628.41 and 151,339.14 is: 208,854.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,185.47 : 375,628.41 = 151,339.14 : x
  2. Step 2: Convert to fraction form
    272,185.47/375,628.41 = 151,339.14/x
  3. Step 3: Cross multiply
    272,185.47x = 375,628.41 × 151,339.14
  4. Step 4: Simplify right side
    272,185.47x = 56,847,280,528.97
  5. Step 5: Solve for x
    x = 56,847,280,528.97/272,185.47
  6. Step 6: Final answer
    x = 208,854.94

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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.