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Finding the Fourth Proportional to 249,202.50, 373,866.12 and 71,705.58

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Solution

The fourth proportional to 249,202.50, 373,866.12 and 71,705.58 is: 107,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,202.50 : 373,866.12 = 71,705.58 : x
  2. Step 2: Convert to fraction form
    249,202.50/373,866.12 = 71,705.58/x
  3. Step 3: Cross multiply
    249,202.50x = 373,866.12 × 71,705.58
  4. Step 4: Simplify right side
    249,202.50x = 26,808,286,976.95
  5. Step 5: Solve for x
    x = 26,808,286,976.95/249,202.50
  6. Step 6: Final answer
    x = 107,576.32

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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.