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Finding the Fourth Proportional to 150,345.53, 207,398.17 and 92,966.51

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Solution

The fourth proportional to 150,345.53, 207,398.17 and 92,966.51 is: 128,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,345.53 : 207,398.17 = 92,966.51 : x
  2. Step 2: Convert to fraction form
    150,345.53/207,398.17 = 92,966.51/x
  3. Step 3: Cross multiply
    150,345.53x = 207,398.17 × 92,966.51
  4. Step 4: Simplify right side
    150,345.53x = 19,281,084,679.99
  5. Step 5: Solve for x
    x = 19,281,084,679.99/150,345.53
  6. Step 6: Final answer
    x = 128,245.15

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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.