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Finding the Fourth Proportional to 144,901, 199,895.34 and 102,482.92

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Solution

The fourth proportional to 144,901, 199,895.34 and 102,482.92 is: 141,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,901 : 199,895.34 = 102,482.92 : x
  2. Step 2: Convert to fraction form
    144,901/199,895.34 = 102,482.92/x
  3. Step 3: Cross multiply
    144,901x = 199,895.34 × 102,482.92
  4. Step 4: Simplify right side
    144,901x = 20,485,858,137.59
  5. Step 5: Solve for x
    x = 20,485,858,137.59/144,901
  6. Step 6: Final answer
    x = 141,378.31

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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.