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Finding the Fourth Proportional to 249,789, 374,806.52 and 116,649.90

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Solution

The fourth proportional to 249,789, 374,806.52 and 116,649.90 is: 175,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,789 : 374,806.52 = 116,649.90 : x
  2. Step 2: Convert to fraction form
    249,789/374,806.52 = 116,649.90/x
  3. Step 3: Cross multiply
    249,789x = 374,806.52 × 116,649.90
  4. Step 4: Simplify right side
    249,789x = 43,721,142,494.10
  5. Step 5: Solve for x
    x = 43,721,142,494.10/249,789
  6. Step 6: Final answer
    x = 175,032.30

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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.