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Finding the Fourth Proportional to 249,645.88, 374,391.06 and 83,395

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Solution

The fourth proportional to 249,645.88, 374,391.06 and 83,395 is: 125,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,645.88 : 374,391.06 = 83,395 : x
  2. Step 2: Convert to fraction form
    249,645.88/374,391.06 = 83,395/x
  3. Step 3: Cross multiply
    249,645.88x = 374,391.06 × 83,395
  4. Step 4: Simplify right side
    249,645.88x = 31,222,342,448.70
  5. Step 5: Solve for x
    x = 31,222,342,448.70/249,645.88
  6. Step 6: Final answer
    x = 125,066.52

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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.