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Finding the Fourth Proportional to 249,860, 374,790.36 and 102,116

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Solution

The fourth proportional to 249,860, 374,790.36 and 102,116 is: 153,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,860 : 374,790.36 = 102,116 : x
  2. Step 2: Convert to fraction form
    249,860/374,790.36 = 102,116/x
  3. Step 3: Cross multiply
    249,860x = 374,790.36 × 102,116
  4. Step 4: Simplify right side
    249,860x = 38,272,092,401.76
  5. Step 5: Solve for x
    x = 38,272,092,401.76/249,860
  6. Step 6: Final answer
    x = 153,174.15

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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.