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Finding the Fourth Proportional to 101,671.50, 152,512.10 and 49,125.18

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Solution

The fourth proportional to 101,671.50, 152,512.10 and 49,125.18 is: 73,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,671.50 : 152,512.10 = 49,125.18 : x
  2. Step 2: Convert to fraction form
    101,671.50/152,512.10 = 49,125.18/x
  3. Step 3: Cross multiply
    101,671.50x = 152,512.10 × 49,125.18
  4. Step 4: Simplify right side
    101,671.50x = 7,492,184,364.68
  5. Step 5: Solve for x
    x = 7,492,184,364.68/101,671.50
  6. Step 6: Final answer
    x = 73,690.11

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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.