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Finding the Fourth Proportional to 146,710.99, 219,934.45 and 53,151.13

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Solution

The fourth proportional to 146,710.99, 219,934.45 and 53,151.13 is: 79,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,710.99 : 219,934.45 = 53,151.13 : x
  2. Step 2: Convert to fraction form
    146,710.99/219,934.45 = 53,151.13/x
  3. Step 3: Cross multiply
    146,710.99x = 219,934.45 × 53,151.13
  4. Step 4: Simplify right side
    146,710.99x = 11,689,763,178.00
  5. Step 5: Solve for x
    x = 11,689,763,178.00/146,710.99
  6. Step 6: Final answer
    x = 79,678.85

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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.