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Finding the Fourth Proportional to 212,859.88, 293,719.62 and 132,300.52

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Solution

The fourth proportional to 212,859.88, 293,719.62 and 132,300.52 is: 182,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,859.88 : 293,719.62 = 132,300.52 : x
  2. Step 2: Convert to fraction form
    212,859.88/293,719.62 = 132,300.52/x
  3. Step 3: Cross multiply
    212,859.88x = 293,719.62 × 132,300.52
  4. Step 4: Simplify right side
    212,859.88x = 38,859,258,460.20
  5. Step 5: Solve for x
    x = 38,859,258,460.20/212,859.88
  6. Step 6: Final answer
    x = 182,557.93

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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.