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Finding the Fourth Proportional to 249,353.99, 374,067.89 and 91,570.14

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Solution

The fourth proportional to 249,353.99, 374,067.89 and 91,570.14 is: 137,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,353.99 : 374,067.89 = 91,570.14 : x
  2. Step 2: Convert to fraction form
    249,353.99/374,067.89 = 91,570.14/x
  3. Step 3: Cross multiply
    249,353.99x = 374,067.89 × 91,570.14
  4. Step 4: Simplify right side
    249,353.99x = 34,253,449,056.80
  5. Step 5: Solve for x
    x = 34,253,449,056.80/249,353.99
  6. Step 6: Final answer
    x = 137,368.76

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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.