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Finding the Fourth Proportional to 161,955.62, 242,933.43 and 83,019.50

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Solution

The fourth proportional to 161,955.62, 242,933.43 and 83,019.50 is: 124,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,955.62 : 242,933.43 = 83,019.50 : x
  2. Step 2: Convert to fraction form
    161,955.62/242,933.43 = 83,019.50/x
  3. Step 3: Cross multiply
    161,955.62x = 242,933.43 × 83,019.50
  4. Step 4: Simplify right side
    161,955.62x = 20,168,211,891.89
  5. Step 5: Solve for x
    x = 20,168,211,891.89/161,955.62
  6. Step 6: Final answer
    x = 124,529.25

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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.