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Finding the Fourth Proportional to 124,671.10, 186,963.08 and 35,900.86

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Solution

The fourth proportional to 124,671.10, 186,963.08 and 35,900.86 is: 53,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,671.10 : 186,963.08 = 35,900.86 : x
  2. Step 2: Convert to fraction form
    124,671.10/186,963.08 = 35,900.86/x
  3. Step 3: Cross multiply
    124,671.10x = 186,963.08 × 35,900.86
  4. Step 4: Simplify right side
    124,671.10x = 6,712,134,425.43
  5. Step 5: Solve for x
    x = 6,712,134,425.43/124,671.10
  6. Step 6: Final answer
    x = 53,838.74

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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.