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Finding the Fourth Proportional to 207,992.34, 312,027.39 and 83,343.06

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Solution

The fourth proportional to 207,992.34, 312,027.39 and 83,343.06 is: 125,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,992.34 : 312,027.39 = 83,343.06 : x
  2. Step 2: Convert to fraction form
    207,992.34/312,027.39 = 83,343.06/x
  3. Step 3: Cross multiply
    207,992.34x = 312,027.39 × 83,343.06
  4. Step 4: Simplify right side
    207,992.34x = 26,005,317,486.41
  5. Step 5: Solve for x
    x = 26,005,317,486.41/207,992.34
  6. Step 6: Final answer
    x = 125,030.17

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1.5x scale

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.