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Finding the Fourth Proportional to 268,014.68, 402,030.90 and 134,822.36

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Solution

The fourth proportional to 268,014.68, 402,030.90 and 134,822.36 is: 202,238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,014.68 : 402,030.90 = 134,822.36 : x
  2. Step 2: Convert to fraction form
    268,014.68/402,030.90 = 134,822.36/x
  3. Step 3: Cross multiply
    268,014.68x = 402,030.90 × 134,822.36
  4. Step 4: Simplify right side
    268,014.68x = 54,202,754,730.92
  5. Step 5: Solve for x
    x = 54,202,754,730.92/268,014.68
  6. Step 6: Final answer
    x = 202,238.01

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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.