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Finding the Fourth Proportional to 249,849.60, 374,751.36 and 83,639.04

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Solution

The fourth proportional to 249,849.60, 374,751.36 and 83,639.04 is: 125,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,849.60 : 374,751.36 = 83,639.04 : x
  2. Step 2: Convert to fraction form
    249,849.60/374,751.36 = 83,639.04/x
  3. Step 3: Cross multiply
    249,849.60x = 374,751.36 × 83,639.04
  4. Step 4: Simplify right side
    249,849.60x = 31,343,843,989.09
  5. Step 5: Solve for x
    x = 31,343,843,989.09/249,849.60
  6. Step 6: Final answer
    x = 125,450.85

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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.