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Finding the Fourth Proportional to 238,987.73, 358,398.07 and 70,463.32

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Solution

The fourth proportional to 238,987.73, 358,398.07 and 70,463.32 is: 105,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,987.73 : 358,398.07 = 70,463.32 : x
  2. Step 2: Convert to fraction form
    238,987.73/358,398.07 = 70,463.32/x
  3. Step 3: Cross multiply
    238,987.73x = 358,398.07 × 70,463.32
  4. Step 4: Simplify right side
    238,987.73x = 25,253,916,821.64
  5. Step 5: Solve for x
    x = 25,253,916,821.64/238,987.73
  6. Step 6: Final answer
    x = 105,670.35

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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.