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Finding the Fourth Proportional to 170,375.88, 235,107.72 and 98,750.28

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Solution

The fourth proportional to 170,375.88, 235,107.72 and 98,750.28 is: 136,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,375.88 : 235,107.72 = 98,750.28 : x
  2. Step 2: Convert to fraction form
    170,375.88/235,107.72 = 98,750.28/x
  3. Step 3: Cross multiply
    170,375.88x = 235,107.72 × 98,750.28
  4. Step 4: Simplify right side
    170,375.88x = 23,216,953,180.16
  5. Step 5: Solve for x
    x = 23,216,953,180.16/170,375.88
  6. Step 6: Final answer
    x = 136,269.01

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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.