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Finding the Fourth Proportional to 114,652.32, 158,218 and 63,662.40

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Solution

The fourth proportional to 114,652.32, 158,218 and 63,662.40 is: 87,852.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,652.32 : 158,218 = 63,662.40 : x
  2. Step 2: Convert to fraction form
    114,652.32/158,218 = 63,662.40/x
  3. Step 3: Cross multiply
    114,652.32x = 158,218 × 63,662.40
  4. Step 4: Simplify right side
    114,652.32x = 10,072,537,603.20
  5. Step 5: Solve for x
    x = 10,072,537,603.20/114,652.32
  6. Step 6: Final answer
    x = 87,852.89

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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.