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Finding the Fourth Proportional to 249,863.76, 374,795.10 and 72,370.62

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Solution

The fourth proportional to 249,863.76, 374,795.10 and 72,370.62 is: 108,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,863.76 : 374,795.10 = 72,370.62 : x
  2. Step 2: Convert to fraction form
    249,863.76/374,795.10 = 72,370.62/x
  3. Step 3: Cross multiply
    249,863.76x = 374,795.10 × 72,370.62
  4. Step 4: Simplify right side
    249,863.76x = 27,124,153,759.96
  5. Step 5: Solve for x
    x = 27,124,153,759.96/249,863.76
  6. Step 6: Final answer
    x = 108,555.77

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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.