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Finding the Fourth Proportional to 146,155.76, 219,239.80 and 46,313.76

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Solution

The fourth proportional to 146,155.76, 219,239.80 and 46,313.76 is: 69,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,155.76 : 219,239.80 = 46,313.76 : x
  2. Step 2: Convert to fraction form
    146,155.76/219,239.80 = 46,313.76/x
  3. Step 3: Cross multiply
    146,155.76x = 219,239.80 × 46,313.76
  4. Step 4: Simplify right side
    146,155.76x = 10,153,819,479.65
  5. Step 5: Solve for x
    x = 10,153,819,479.65/146,155.76
  6. Step 6: Final answer
    x = 69,472.59

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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.