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Finding the Fourth Proportional to 251,751.70, 377,627.55 and 152,218.90

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Solution

The fourth proportional to 251,751.70, 377,627.55 and 152,218.90 is: 228,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,751.70 : 377,627.55 = 152,218.90 : x
  2. Step 2: Convert to fraction form
    251,751.70/377,627.55 = 152,218.90/x
  3. Step 3: Cross multiply
    251,751.70x = 377,627.55 × 152,218.90
  4. Step 4: Simplify right side
    251,751.70x = 57,482,050,270.70
  5. Step 5: Solve for x
    x = 57,482,050,270.70/251,751.70
  6. Step 6: Final answer
    x = 228,328.35

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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.