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Finding the Fourth Proportional to 251,333.16, 377,268.33 and 101,671.28

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Solution

The fourth proportional to 251,333.16, 377,268.33 and 101,671.28 is: 152,615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,333.16 : 377,268.33 = 101,671.28 : x
  2. Step 2: Convert to fraction form
    251,333.16/377,268.33 = 101,671.28/x
  3. Step 3: Cross multiply
    251,333.16x = 377,268.33 × 101,671.28
  4. Step 4: Simplify right side
    251,333.16x = 38,357,354,014.56
  5. Step 5: Solve for x
    x = 38,357,354,014.56/251,333.16
  6. Step 6: Final answer
    x = 152,615.57

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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.