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Finding the Fourth Proportional to 170,707.82, 235,482.26 and 119,796.53

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Solution

The fourth proportional to 170,707.82, 235,482.26 and 119,796.53 is: 165,252.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,707.82 : 235,482.26 = 119,796.53 : x
  2. Step 2: Convert to fraction form
    170,707.82/235,482.26 = 119,796.53/x
  3. Step 3: Cross multiply
    170,707.82x = 235,482.26 × 119,796.53
  4. Step 4: Simplify right side
    170,707.82x = 28,209,955,848.16
  5. Step 5: Solve for x
    x = 28,209,955,848.16/170,707.82
  6. Step 6: Final answer
    x = 165,252.87

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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.