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Finding the Fourth Proportional to 76,955.01, 106,242.06 and 58,662.11

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Solution

The fourth proportional to 76,955.01, 106,242.06 and 58,662.11 is: 80,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,955.01 : 106,242.06 = 58,662.11 : x
  2. Step 2: Convert to fraction form
    76,955.01/106,242.06 = 58,662.11/x
  3. Step 3: Cross multiply
    76,955.01x = 106,242.06 × 58,662.11
  4. Step 4: Simplify right side
    76,955.01x = 6,232,382,879.14
  5. Step 5: Solve for x
    x = 6,232,382,879.14/76,955.01
  6. Step 6: Final answer
    x = 80,987.36

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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.