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Finding the Fourth Proportional to 272,448.59, 375,980.90 and 151,594.97

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Solution

The fourth proportional to 272,448.59, 375,980.90 and 151,594.97 is: 209,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,448.59 : 375,980.90 = 151,594.97 : x
  2. Step 2: Convert to fraction form
    272,448.59/375,980.90 = 151,594.97/x
  3. Step 3: Cross multiply
    272,448.59x = 375,980.90 × 151,594.97
  4. Step 4: Simplify right side
    272,448.59x = 56,996,810,618.19
  5. Step 5: Solve for x
    x = 56,996,810,618.19/272,448.59
  6. Step 6: Final answer
    x = 209,202.08

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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.