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Finding the Fourth Proportional to 146,518.52, 219,868.02 and 57,756.92

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Solution

The fourth proportional to 146,518.52, 219,868.02 and 57,756.92 is: 86,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,518.52 : 219,868.02 = 57,756.92 : x
  2. Step 2: Convert to fraction form
    146,518.52/219,868.02 = 57,756.92/x
  3. Step 3: Cross multiply
    146,518.52x = 219,868.02 × 57,756.92
  4. Step 4: Simplify right side
    146,518.52x = 12,698,899,641.70
  5. Step 5: Solve for x
    x = 12,698,899,641.70/146,518.52
  6. Step 6: Final answer
    x = 86,670.95

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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.