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Finding the Fourth Proportional to 103,596.40, 155,335.06 and 50,270.05

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Solution

The fourth proportional to 103,596.40, 155,335.06 and 50,270.05 is: 75,376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,596.40 : 155,335.06 = 50,270.05 : x
  2. Step 2: Convert to fraction form
    103,596.40/155,335.06 = 50,270.05/x
  3. Step 3: Cross multiply
    103,596.40x = 155,335.06 × 50,270.05
  4. Step 4: Simplify right side
    103,596.40x = 7,808,701,232.95
  5. Step 5: Solve for x
    x = 7,808,701,232.95/103,596.40
  6. Step 6: Final answer
    x = 75,376.18

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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.