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Finding the Fourth Proportional to 152,777.22, 210,832.64 and 84,794.22

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Solution

The fourth proportional to 152,777.22, 210,832.64 and 84,794.22 is: 117,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,777.22 : 210,832.64 = 84,794.22 : x
  2. Step 2: Convert to fraction form
    152,777.22/210,832.64 = 84,794.22/x
  3. Step 3: Cross multiply
    152,777.22x = 210,832.64 × 84,794.22
  4. Step 4: Simplify right side
    152,777.22x = 17,877,389,259.34
  5. Step 5: Solve for x
    x = 17,877,389,259.34/152,777.22
  6. Step 6: Final answer
    x = 117,016.07

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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.