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Finding the Fourth Proportional to 146,420.56, 202,159.56 and 92,753.20

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Solution

The fourth proportional to 146,420.56, 202,159.56 and 92,753.20 is: 128,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,420.56 : 202,159.56 = 92,753.20 : x
  2. Step 2: Convert to fraction form
    146,420.56/202,159.56 = 92,753.20/x
  3. Step 3: Cross multiply
    146,420.56x = 202,159.56 × 92,753.20
  4. Step 4: Simplify right side
    146,420.56x = 18,750,946,100.59
  5. Step 5: Solve for x
    x = 18,750,946,100.59/146,420.56
  6. Step 6: Final answer
    x = 128,062.25

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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.