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Finding the Fourth Proportional to 146,937.60, 219,945.60 and 105,465.60

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Solution

The fourth proportional to 146,937.60, 219,945.60 and 105,465.60 is: 157,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,937.60 : 219,945.60 = 105,465.60 : x
  2. Step 2: Convert to fraction form
    146,937.60/219,945.60 = 105,465.60/x
  3. Step 3: Cross multiply
    146,937.60x = 219,945.60 × 105,465.60
  4. Step 4: Simplify right side
    146,937.60x = 23,196,694,671.36
  5. Step 5: Solve for x
    x = 23,196,694,671.36/146,937.60
  6. Step 6: Final answer
    x = 157,867.66

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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.