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Finding the Fourth Proportional to 79,782.91, 110,095.47 and 43,973.22

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Solution

The fourth proportional to 79,782.91, 110,095.47 and 43,973.22 is: 60,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,782.91 : 110,095.47 = 43,973.22 : x
  2. Step 2: Convert to fraction form
    79,782.91/110,095.47 = 43,973.22/x
  3. Step 3: Cross multiply
    79,782.91x = 110,095.47 × 43,973.22
  4. Step 4: Simplify right side
    79,782.91x = 4,841,252,323.31
  5. Step 5: Solve for x
    x = 4,841,252,323.31/79,782.91
  6. Step 6: Final answer
    x = 60,680.32

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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.