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Finding the Fourth Proportional to 174,228.50, 261,342.72 and 49,569.50

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Solution

The fourth proportional to 174,228.50, 261,342.72 and 49,569.50 is: 74,354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,228.50 : 261,342.72 = 49,569.50 : x
  2. Step 2: Convert to fraction form
    174,228.50/261,342.72 = 49,569.50/x
  3. Step 3: Cross multiply
    174,228.50x = 261,342.72 × 49,569.50
  4. Step 4: Simplify right side
    174,228.50x = 12,954,628,612.40
  5. Step 5: Solve for x
    x = 12,954,628,612.40/174,228.50
  6. Step 6: Final answer
    x = 74,354.24

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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.