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Finding the Fourth Proportional to 170,596.64, 235,347.30 and 98,935.20

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Solution

The fourth proportional to 170,596.64, 235,347.30 and 98,935.20 is: 136,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,596.64 : 235,347.30 = 98,935.20 : x
  2. Step 2: Convert to fraction form
    170,596.64/235,347.30 = 98,935.20/x
  3. Step 3: Cross multiply
    170,596.64x = 235,347.30 × 98,935.20
  4. Step 4: Simplify right side
    170,596.64x = 23,284,132,194.96
  5. Step 5: Solve for x
    x = 23,284,132,194.96/170,596.64
  6. Step 6: Final answer
    x = 136,486.46

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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.