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Finding the Fourth Proportional to 106,995.58, 147,653.67 and 61,673.27

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Solution

The fourth proportional to 106,995.58, 147,653.67 and 61,673.27 is: 85,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,995.58 : 147,653.67 = 61,673.27 : x
  2. Step 2: Convert to fraction form
    106,995.58/147,653.67 = 61,673.27/x
  3. Step 3: Cross multiply
    106,995.58x = 147,653.67 × 61,673.27
  4. Step 4: Simplify right side
    106,995.58x = 9,106,283,802.50
  5. Step 5: Solve for x
    x = 9,106,283,802.50/106,995.58
  6. Step 6: Final answer
    x = 85,108.97

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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.