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Finding the Fourth Proportional to 235,909.80, 354,210.30 and 166,098.60

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Solution

The fourth proportional to 235,909.80, 354,210.30 and 166,098.60 is: 249,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,909.80 : 354,210.30 = 166,098.60 : x
  2. Step 2: Convert to fraction form
    235,909.80/354,210.30 = 166,098.60/x
  3. Step 3: Cross multiply
    235,909.80x = 354,210.30 × 166,098.60
  4. Step 4: Simplify right side
    235,909.80x = 58,833,834,935.58
  5. Step 5: Solve for x
    x = 58,833,834,935.58/235,909.80
  6. Step 6: Final answer
    x = 249,391.23

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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.