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Finding the Fourth Proportional to 118,201.60, 159,883.20 and 118,201.60

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Solution

The fourth proportional to 118,201.60, 159,883.20 and 118,201.60 is: 159,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,201.60 : 159,883.20 = 118,201.60 : x
  2. Step 2: Convert to fraction form
    118,201.60/159,883.20 = 118,201.60/x
  3. Step 3: Cross multiply
    118,201.60x = 159,883.20 × 118,201.60
  4. Step 4: Simplify right side
    118,201.60x = 18,898,450,053.12
  5. Step 5: Solve for x
    x = 18,898,450,053.12/118,201.60
  6. Step 6: Final answer
    x = 159,883.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.