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Finding the Fourth Proportional to 103,598.70, 155,358.99 and 33,459.18

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Solution

The fourth proportional to 103,598.70, 155,358.99 and 33,459.18 is: 50,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,598.70 : 155,358.99 = 33,459.18 : x
  2. Step 2: Convert to fraction form
    103,598.70/155,358.99 = 33,459.18/x
  3. Step 3: Cross multiply
    103,598.70x = 155,358.99 × 33,459.18
  4. Step 4: Simplify right side
    103,598.70x = 5,198,184,411.03
  5. Step 5: Solve for x
    x = 5,198,184,411.03/103,598.70
  6. Step 6: Final answer
    x = 50,176.15

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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.