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Finding the Fourth Proportional to 104,988.83, 144,843.22 and 64,632.47

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Solution

The fourth proportional to 104,988.83, 144,843.22 and 64,632.47 is: 89,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,988.83 : 144,843.22 = 64,632.47 : x
  2. Step 2: Convert to fraction form
    104,988.83/144,843.22 = 64,632.47/x
  3. Step 3: Cross multiply
    104,988.83x = 144,843.22 × 64,632.47
  4. Step 4: Simplify right side
    104,988.83x = 9,361,574,427.93
  5. Step 5: Solve for x
    x = 9,361,574,427.93/104,988.83
  6. Step 6: Final answer
    x = 89,167.34

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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.