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Finding the Fourth Proportional to 155,183.69, 232,770.92 and 42,870.67

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Solution

The fourth proportional to 155,183.69, 232,770.92 and 42,870.67 is: 64,304.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,183.69 : 232,770.92 = 42,870.67 : x
  2. Step 2: Convert to fraction form
    155,183.69/232,770.92 = 42,870.67/x
  3. Step 3: Cross multiply
    155,183.69x = 232,770.92 × 42,870.67
  4. Step 4: Simplify right side
    155,183.69x = 9,979,043,918.71
  5. Step 5: Solve for x
    x = 9,979,043,918.71/155,183.69
  6. Step 6: Final answer
    x = 64,304.72

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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.