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Finding the Fourth Proportional to 144,887.25, 199,945.13 and 84,499.77

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Solution

The fourth proportional to 144,887.25, 199,945.13 and 84,499.77 is: 116,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,887.25 : 199,945.13 = 84,499.77 : x
  2. Step 2: Convert to fraction form
    144,887.25/199,945.13 = 84,499.77/x
  3. Step 3: Cross multiply
    144,887.25x = 199,945.13 × 84,499.77
  4. Step 4: Simplify right side
    144,887.25x = 16,895,317,075.12
  5. Step 5: Solve for x
    x = 16,895,317,075.12/144,887.25
  6. Step 6: Final answer
    x = 116,610.10

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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.