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Finding the Fourth Proportional to 249,809.99, 374,862.60 and 92,149.16

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Solution

The fourth proportional to 249,809.99, 374,862.60 and 92,149.16 is: 138,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,809.99 : 374,862.60 = 92,149.16 : x
  2. Step 2: Convert to fraction form
    249,809.99/374,862.60 = 92,149.16/x
  3. Step 3: Cross multiply
    249,809.99x = 374,862.60 × 92,149.16
  4. Step 4: Simplify right side
    249,809.99x = 34,543,271,831.10
  5. Step 5: Solve for x
    x = 34,543,271,831.10/249,809.99
  6. Step 6: Final answer
    x = 138,278.19

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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.