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Finding the Fourth Proportional to 187,291.44, 280,878.60 and 62,603.28

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Solution

The fourth proportional to 187,291.44, 280,878.60 and 62,603.28 is: 93,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,291.44 : 280,878.60 = 62,603.28 : x
  2. Step 2: Convert to fraction form
    187,291.44/280,878.60 = 62,603.28/x
  3. Step 3: Cross multiply
    187,291.44x = 280,878.60 × 62,603.28
  4. Step 4: Simplify right side
    187,291.44x = 17,583,921,641.81
  5. Step 5: Solve for x
    x = 17,583,921,641.81/187,291.44
  6. Step 6: Final answer
    x = 93,885.35

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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.