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Finding the Fourth Proportional to 249,407.92, 374,111.88 and 91,568.08

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Solution

The fourth proportional to 249,407.92, 374,111.88 and 91,568.08 is: 137,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,407.92 : 374,111.88 = 91,568.08 : x
  2. Step 2: Convert to fraction form
    249,407.92/374,111.88 = 91,568.08/x
  3. Step 3: Cross multiply
    249,407.92x = 374,111.88 × 91,568.08
  4. Step 4: Simplify right side
    249,407.92x = 34,256,706,556.79
  5. Step 5: Solve for x
    x = 34,256,706,556.79/249,407.92
  6. Step 6: Final answer
    x = 137,352.12

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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.