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Finding the Fourth Proportional to 371,923.84, 557,871.18 and 158,603.86

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Solution

The fourth proportional to 371,923.84, 557,871.18 and 158,603.86 is: 237,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,923.84 : 557,871.18 = 158,603.86 : x
  2. Step 2: Convert to fraction form
    371,923.84/557,871.18 = 158,603.86/x
  3. Step 3: Cross multiply
    371,923.84x = 557,871.18 × 158,603.86
  4. Step 4: Simplify right side
    371,923.84x = 88,480,522,530.75
  5. Step 5: Solve for x
    x = 88,480,522,530.75/371,923.84
  6. Step 6: Final answer
    x = 237,899.57

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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.