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Finding the Fourth Proportional to 249,900.93, 374,851.41 and 72,408.06

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Solution

The fourth proportional to 249,900.93, 374,851.41 and 72,408.06 is: 108,612.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,900.93 : 374,851.41 = 72,408.06 : x
  2. Step 2: Convert to fraction form
    249,900.93/374,851.41 = 72,408.06/x
  3. Step 3: Cross multiply
    249,900.93x = 374,851.41 × 72,408.06
  4. Step 4: Simplify right side
    249,900.93x = 27,142,263,386.36
  5. Step 5: Solve for x
    x = 27,142,263,386.36/249,900.93
  6. Step 6: Final answer
    x = 108,612.09

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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.