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Finding the Fourth Proportional to 170,558.34, 235,276.02 and 119,646.87

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Solution

The fourth proportional to 170,558.34, 235,276.02 and 119,646.87 is: 165,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,558.34 : 235,276.02 = 119,646.87 : x
  2. Step 2: Convert to fraction form
    170,558.34/235,276.02 = 119,646.87/x
  3. Step 3: Cross multiply
    170,558.34x = 235,276.02 × 119,646.87
  4. Step 4: Simplify right side
    170,558.34x = 28,150,039,379.06
  5. Step 5: Solve for x
    x = 28,150,039,379.06/170,558.34
  6. Step 6: Final answer
    x = 165,046.40

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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.