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Finding the Fourth Proportional to 127,612.50, 191,506.41 and 44,506.50

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Solution

The fourth proportional to 127,612.50, 191,506.41 and 44,506.50 is: 66,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,612.50 : 191,506.41 = 44,506.50 : x
  2. Step 2: Convert to fraction form
    127,612.50/191,506.41 = 44,506.50/x
  3. Step 3: Cross multiply
    127,612.50x = 191,506.41 × 44,506.50
  4. Step 4: Simplify right side
    127,612.50x = 8,523,280,036.67
  5. Step 5: Solve for x
    x = 8,523,280,036.67/127,612.50
  6. Step 6: Final answer
    x = 66,790.32

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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.