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Finding the Fourth Proportional to 249,790, 374,808.02 and 116,650.90

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Solution

The fourth proportional to 249,790, 374,808.02 and 116,650.90 is: 175,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,790 : 374,808.02 = 116,650.90 : x
  2. Step 2: Convert to fraction form
    249,790/374,808.02 = 116,650.90/x
  3. Step 3: Cross multiply
    249,790x = 374,808.02 × 116,650.90
  4. Step 4: Simplify right side
    249,790x = 43,721,692,860.22
  5. Step 5: Solve for x
    x = 43,721,692,860.22/249,790
  6. Step 6: Final answer
    x = 175,033.80

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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.