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Finding the Fourth Proportional to 249,365.40, 374,211.78 and 91,595.16

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Solution

The fourth proportional to 249,365.40, 374,211.78 and 91,595.16 is: 137,452.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,365.40 : 374,211.78 = 91,595.16 : x
  2. Step 2: Convert to fraction form
    249,365.40/374,211.78 = 91,595.16/x
  3. Step 3: Cross multiply
    249,365.40x = 374,211.78 × 91,595.16
  4. Step 4: Simplify right side
    249,365.40x = 34,275,987,862.98
  5. Step 5: Solve for x
    x = 34,275,987,862.98/249,365.40
  6. Step 6: Final answer
    x = 137,452.86

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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.