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Finding the Fourth Proportional to 105,352.68, 158,033.88 and 58,570.32

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Solution

The fourth proportional to 105,352.68, 158,033.88 and 58,570.32 is: 87,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,352.68 : 158,033.88 = 58,570.32 : x
  2. Step 2: Convert to fraction form
    105,352.68/158,033.88 = 58,570.32/x
  3. Step 3: Cross multiply
    105,352.68x = 158,033.88 × 58,570.32
  4. Step 4: Simplify right side
    105,352.68x = 9,256,094,922.44
  5. Step 5: Solve for x
    x = 9,256,094,922.44/105,352.68
  6. Step 6: Final answer
    x = 87,858.18

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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.