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Finding the Fourth Proportional to 119,356.01, 164,707.59 and 65,635.80

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Solution

The fourth proportional to 119,356.01, 164,707.59 and 65,635.80 is: 90,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,356.01 : 164,707.59 = 65,635.80 : x
  2. Step 2: Convert to fraction form
    119,356.01/164,707.59 = 65,635.80/x
  3. Step 3: Cross multiply
    119,356.01x = 164,707.59 × 65,635.80
  4. Step 4: Simplify right side
    119,356.01x = 10,810,714,064.20
  5. Step 5: Solve for x
    x = 10,810,714,064.20/119,356.01
  6. Step 6: Final answer
    x = 90,575.37

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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.