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Finding the Fourth Proportional to 144,490.99, 199,437.63 and 84,073.30

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Solution

The fourth proportional to 144,490.99, 199,437.63 and 84,073.30 is: 116,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,490.99 : 199,437.63 = 84,073.30 : x
  2. Step 2: Convert to fraction form
    144,490.99/199,437.63 = 84,073.30/x
  3. Step 3: Cross multiply
    144,490.99x = 199,437.63 × 84,073.30
  4. Step 4: Simplify right side
    144,490.99x = 16,767,379,698.28
  5. Step 5: Solve for x
    x = 16,767,379,698.28/144,490.99
  6. Step 6: Final answer
    x = 116,044.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.