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Finding the Fourth Proportional to 272,032.30, 408,048.45 and 124,576.30

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Solution

The fourth proportional to 272,032.30, 408,048.45 and 124,576.30 is: 186,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,032.30 : 408,048.45 = 124,576.30 : x
  2. Step 2: Convert to fraction form
    272,032.30/408,048.45 = 124,576.30/x
  3. Step 3: Cross multiply
    272,032.30x = 408,048.45 × 124,576.30
  4. Step 4: Simplify right side
    272,032.30x = 50,833,166,121.74
  5. Step 5: Solve for x
    x = 50,833,166,121.74/272,032.30
  6. Step 6: Final answer
    x = 186,864.45

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1.5x scale

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.