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Finding the Fourth Proportional to 557,671.84, 836,510.58 and 136,947.88

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Solution

The fourth proportional to 557,671.84, 836,510.58 and 136,947.88 is: 205,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,671.84 : 836,510.58 = 136,947.88 : x
  2. Step 2: Convert to fraction form
    557,671.84/836,510.58 = 136,947.88/x
  3. Step 3: Cross multiply
    557,671.84x = 836,510.58 × 136,947.88
  4. Step 4: Simplify right side
    557,671.84x = 114,558,350,528.57
  5. Step 5: Solve for x
    x = 114,558,350,528.57/557,671.84
  6. Step 6: Final answer
    x = 205,422.51

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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.