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Finding the Fourth Proportional to 249,652.92, 374,462.10 and 91,851.96

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Solution

The fourth proportional to 249,652.92, 374,462.10 and 91,851.96 is: 137,771.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,652.92 : 374,462.10 = 91,851.96 : x
  2. Step 2: Convert to fraction form
    249,652.92/374,462.10 = 91,851.96/x
  3. Step 3: Cross multiply
    249,652.92x = 374,462.10 × 91,851.96
  4. Step 4: Simplify right side
    249,652.92x = 34,395,077,830.72
  5. Step 5: Solve for x
    x = 34,395,077,830.72/249,652.92
  6. Step 6: Final answer
    x = 137,771.58

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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.