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Finding the Fourth Proportional to 115,033.26, 158,731.74 and 64,033.23

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Solution

The fourth proportional to 115,033.26, 158,731.74 and 64,033.23 is: 88,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,033.26 : 158,731.74 = 64,033.23 : x
  2. Step 2: Convert to fraction form
    115,033.26/158,731.74 = 64,033.23/x
  3. Step 3: Cross multiply
    115,033.26x = 158,731.74 × 64,033.23
  4. Step 4: Simplify right side
    115,033.26x = 10,164,106,015.72
  5. Step 5: Solve for x
    x = 10,164,106,015.72/115,033.26
  6. Step 6: Final answer
    x = 88,357.98

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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.