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Finding the Fourth Proportional to 249,713.50, 374,570.25 and 74,609.50

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Solution

The fourth proportional to 249,713.50, 374,570.25 and 74,609.50 is: 111,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,713.50 : 374,570.25 = 74,609.50 : x
  2. Step 2: Convert to fraction form
    249,713.50/374,570.25 = 74,609.50/x
  3. Step 3: Cross multiply
    249,713.50x = 374,570.25 × 74,609.50
  4. Step 4: Simplify right side
    249,713.50x = 27,946,499,067.38
  5. Step 5: Solve for x
    x = 27,946,499,067.38/249,713.50
  6. Step 6: Final answer
    x = 111,914.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.