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Finding the Fourth Proportional to 239,460.64, 358,647.24 and 185,721.22

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Solution

The fourth proportional to 239,460.64, 358,647.24 and 185,721.22 is: 278,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,460.64 : 358,647.24 = 185,721.22 : x
  2. Step 2: Convert to fraction form
    239,460.64/358,647.24 = 185,721.22/x
  3. Step 3: Cross multiply
    239,460.64x = 358,647.24 × 185,721.22
  4. Step 4: Simplify right side
    239,460.64x = 66,608,402,962.43
  5. Step 5: Solve for x
    x = 66,608,402,962.43/239,460.64
  6. Step 6: Final answer
    x = 278,160.13

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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.