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Finding the Fourth Proportional to 272,038.30, 408,057.45 and 124,582.30

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Solution

The fourth proportional to 272,038.30, 408,057.45 and 124,582.30 is: 186,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,038.30 : 408,057.45 = 124,582.30 : x
  2. Step 2: Convert to fraction form
    272,038.30/408,057.45 = 124,582.30/x
  3. Step 3: Cross multiply
    272,038.30x = 408,057.45 × 124,582.30
  4. Step 4: Simplify right side
    272,038.30x = 50,836,735,653.14
  5. Step 5: Solve for x
    x = 50,836,735,653.14/272,038.30
  6. Step 6: Final answer
    x = 186,873.45

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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.