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Finding the Fourth Proportional to 372,877.70, 559,300.30 and 120,152.54

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Solution

The fourth proportional to 372,877.70, 559,300.30 and 120,152.54 is: 180,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,877.70 : 559,300.30 = 120,152.54 : x
  2. Step 2: Convert to fraction form
    372,877.70/559,300.30 = 120,152.54/x
  3. Step 3: Cross multiply
    372,877.70x = 559,300.30 × 120,152.54
  4. Step 4: Simplify right side
    372,877.70x = 67,201,351,667.76
  5. Step 5: Solve for x
    x = 67,201,351,667.76/372,877.70
  6. Step 6: Final answer
    x = 180,223.57

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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.