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Finding the Fourth Proportional to 158,801.10, 238,201.65 and 69,960.30

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Solution

The fourth proportional to 158,801.10, 238,201.65 and 69,960.30 is: 104,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,801.10 : 238,201.65 = 69,960.30 : x
  2. Step 2: Convert to fraction form
    158,801.10/238,201.65 = 69,960.30/x
  3. Step 3: Cross multiply
    158,801.10x = 238,201.65 × 69,960.30
  4. Step 4: Simplify right side
    158,801.10x = 16,664,658,894.50
  5. Step 5: Solve for x
    x = 16,664,658,894.50/158,801.10
  6. Step 6: Final answer
    x = 104,940.45

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1.5x scale

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.