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Finding the Fourth Proportional to 249,710.54, 374,576.74 and 72,235.50

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Solution

The fourth proportional to 249,710.54, 374,576.74 and 72,235.50 is: 108,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,710.54 : 374,576.74 = 72,235.50 : x
  2. Step 2: Convert to fraction form
    249,710.54/374,576.74 = 72,235.50/x
  3. Step 3: Cross multiply
    249,710.54x = 374,576.74 × 72,235.50
  4. Step 4: Simplify right side
    249,710.54x = 27,057,738,102.27
  5. Step 5: Solve for x
    x = 27,057,738,102.27/249,710.54
  6. Step 6: Final answer
    x = 108,356.41

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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.