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Finding the Fourth Proportional to 147,911.70, 222,013.35 and 73,116.30

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Solution

The fourth proportional to 147,911.70, 222,013.35 and 73,116.30 is: 109,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,911.70 : 222,013.35 = 73,116.30 : x
  2. Step 2: Convert to fraction form
    147,911.70/222,013.35 = 73,116.30/x
  3. Step 3: Cross multiply
    147,911.70x = 222,013.35 × 73,116.30
  4. Step 4: Simplify right side
    147,911.70x = 16,232,794,702.61
  5. Step 5: Solve for x
    x = 16,232,794,702.61/147,911.70
  6. Step 6: Final answer
    x = 109,746.52

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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.