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Finding the Fourth Proportional to 104,555.88, 144,287.71 and 61,536.98

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Solution

The fourth proportional to 104,555.88, 144,287.71 and 61,536.98 is: 84,921.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,555.88 : 144,287.71 = 61,536.98 : x
  2. Step 2: Convert to fraction form
    104,555.88/144,287.71 = 61,536.98/x
  3. Step 3: Cross multiply
    104,555.88x = 144,287.71 × 61,536.98
  4. Step 4: Simplify right side
    104,555.88x = 8,879,030,131.39
  5. Step 5: Solve for x
    x = 8,879,030,131.39/104,555.88
  6. Step 6: Final answer
    x = 84,921.38

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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.