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Finding the Fourth Proportional to 113,843.10, 157,230.35 and 88,652.50

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Solution

The fourth proportional to 113,843.10, 157,230.35 and 88,652.50 is: 122,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,843.10 : 157,230.35 = 88,652.50 : x
  2. Step 2: Convert to fraction form
    113,843.10/157,230.35 = 88,652.50/x
  3. Step 3: Cross multiply
    113,843.10x = 157,230.35 × 88,652.50
  4. Step 4: Simplify right side
    113,843.10x = 13,938,863,603.38
  5. Step 5: Solve for x
    x = 13,938,863,603.38/113,843.10
  6. Step 6: Final answer
    x = 122,439.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.