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Finding the Fourth Proportional to 86,094.76, 118,762.80 and 80,005.88

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Solution

The fourth proportional to 86,094.76, 118,762.80 and 80,005.88 is: 110,363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,094.76 : 118,762.80 = 80,005.88 : x
  2. Step 2: Convert to fraction form
    86,094.76/118,762.80 = 80,005.88/x
  3. Step 3: Cross multiply
    86,094.76x = 118,762.80 × 80,005.88
  4. Step 4: Simplify right side
    86,094.76x = 9,501,722,325.26
  5. Step 5: Solve for x
    x = 9,501,722,325.26/86,094.76
  6. Step 6: Final answer
    x = 110,363.54

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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.