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Finding the Fourth Proportional to 251,661.80, 377,492.70 and 101,901.80

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Solution

The fourth proportional to 251,661.80, 377,492.70 and 101,901.80 is: 152,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,661.80 : 377,492.70 = 101,901.80 : x
  2. Step 2: Convert to fraction form
    251,661.80/377,492.70 = 101,901.80/x
  3. Step 3: Cross multiply
    251,661.80x = 377,492.70 × 101,901.80
  4. Step 4: Simplify right side
    251,661.80x = 38,467,185,616.86
  5. Step 5: Solve for x
    x = 38,467,185,616.86/251,661.80
  6. Step 6: Final answer
    x = 152,852.70

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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.