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Finding the Fourth Proportional to 166,873.60, 249,987.84 and 92,776.96

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Solution

The fourth proportional to 166,873.60, 249,987.84 and 92,776.96 is: 138,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,873.60 : 249,987.84 = 92,776.96 : x
  2. Step 2: Convert to fraction form
    166,873.60/249,987.84 = 92,776.96/x
  3. Step 3: Cross multiply
    166,873.60x = 249,987.84 × 92,776.96
  4. Step 4: Simplify right side
    166,873.60x = 23,193,111,832.17
  5. Step 5: Solve for x
    x = 23,193,111,832.17/166,873.60
  6. Step 6: Final answer
    x = 138,986.11

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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.