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Finding the Fourth Proportional to 249,788.31, 374,532.40 and 114,683.31

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Solution

The fourth proportional to 249,788.31, 374,532.40 and 114,683.31 is: 171,956.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,788.31 : 374,532.40 = 114,683.31 : x
  2. Step 2: Convert to fraction form
    249,788.31/374,532.40 = 114,683.31/x
  3. Step 3: Cross multiply
    249,788.31x = 374,532.40 × 114,683.31
  4. Step 4: Simplify right side
    249,788.31x = 42,952,615,047.54
  5. Step 5: Solve for x
    x = 42,952,615,047.54/249,788.31
  6. Step 6: Final answer
    x = 171,956.07

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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.