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Finding the Fourth Proportional to 110,946.52, 153,112.26 and 65,651.32

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Solution

The fourth proportional to 110,946.52, 153,112.26 and 65,651.32 is: 90,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,946.52 : 153,112.26 = 65,651.32 : x
  2. Step 2: Convert to fraction form
    110,946.52/153,112.26 = 65,651.32/x
  3. Step 3: Cross multiply
    110,946.52x = 153,112.26 × 65,651.32
  4. Step 4: Simplify right side
    110,946.52x = 10,052,021,977.18
  5. Step 5: Solve for x
    x = 10,052,021,977.18/110,946.52
  6. Step 6: Final answer
    x = 90,602.41

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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.