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Finding the Fourth Proportional to 151,295.60, 226,943.40 and 84,940.40

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Solution

The fourth proportional to 151,295.60, 226,943.40 and 84,940.40 is: 127,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,295.60 : 226,943.40 = 84,940.40 : x
  2. Step 2: Convert to fraction form
    151,295.60/226,943.40 = 84,940.40/x
  3. Step 3: Cross multiply
    151,295.60x = 226,943.40 × 84,940.40
  4. Step 4: Simplify right side
    151,295.60x = 19,276,663,173.36
  5. Step 5: Solve for x
    x = 19,276,663,173.36/151,295.60
  6. Step 6: Final answer
    x = 127,410.60

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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.