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Finding the Fourth Proportional to 234,011.84, 351,017.92 and 109,440.32

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Solution

The fourth proportional to 234,011.84, 351,017.92 and 109,440.32 is: 164,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,011.84 : 351,017.92 = 109,440.32 : x
  2. Step 2: Convert to fraction form
    234,011.84/351,017.92 = 109,440.32/x
  3. Step 3: Cross multiply
    234,011.84x = 351,017.92 × 109,440.32
  4. Step 4: Simplify right side
    234,011.84x = 38,415,513,490.53
  5. Step 5: Solve for x
    x = 38,415,513,490.53/234,011.84
  6. Step 6: Final answer
    x = 164,160.55

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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.