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Finding the Fourth Proportional to 104,395.46, 144,068.94 and 61,367.06

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Solution

The fourth proportional to 104,395.46, 144,068.94 and 61,367.06 is: 84,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,395.46 : 144,068.94 = 61,367.06 : x
  2. Step 2: Convert to fraction form
    104,395.46/144,068.94 = 61,367.06/x
  3. Step 3: Cross multiply
    104,395.46x = 144,068.94 × 61,367.06
  4. Step 4: Simplify right side
    104,395.46x = 8,841,087,067.50
  5. Step 5: Solve for x
    x = 8,841,087,067.50/104,395.46
  6. Step 6: Final answer
    x = 84,688.42

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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.