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Finding the Fourth Proportional to 193,246.70, 289,870.05 and 160,004.30

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Solution

The fourth proportional to 193,246.70, 289,870.05 and 160,004.30 is: 240,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,246.70 : 289,870.05 = 160,004.30 : x
  2. Step 2: Convert to fraction form
    193,246.70/289,870.05 = 160,004.30/x
  3. Step 3: Cross multiply
    193,246.70x = 289,870.05 × 160,004.30
  4. Step 4: Simplify right side
    193,246.70x = 46,380,454,441.22
  5. Step 5: Solve for x
    x = 46,380,454,441.22/193,246.70
  6. Step 6: Final answer
    x = 240,006.45

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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.