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Finding the Fourth Proportional to 257,870.68, 355,770.30 and 168,498.52

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Solution

The fourth proportional to 257,870.68, 355,770.30 and 168,498.52 is: 232,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,870.68 : 355,770.30 = 168,498.52 : x
  2. Step 2: Convert to fraction form
    257,870.68/355,770.30 = 168,498.52/x
  3. Step 3: Cross multiply
    257,870.68x = 355,770.30 × 168,498.52
  4. Step 4: Simplify right side
    257,870.68x = 59,946,769,009.96
  5. Step 5: Solve for x
    x = 59,946,769,009.96/257,870.68
  6. Step 6: Final answer
    x = 232,468.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.