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Finding the Fourth Proportional to 234,089.84, 351,134.76 and 109,518.32

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Solution

The fourth proportional to 234,089.84, 351,134.76 and 109,518.32 is: 164,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,089.84 : 351,134.76 = 109,518.32 : x
  2. Step 2: Convert to fraction form
    234,089.84/351,134.76 = 109,518.32/x
  3. Step 3: Cross multiply
    234,089.84x = 351,134.76 × 109,518.32
  4. Step 4: Simplify right side
    234,089.84x = 38,455,689,008.80
  5. Step 5: Solve for x
    x = 38,455,689,008.80/234,089.84
  6. Step 6: Final answer
    x = 164,277.48

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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.