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Finding the Fourth Proportional to 117,570.16, 162,242.22 and 69,822.28

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Solution

The fourth proportional to 117,570.16, 162,242.22 and 69,822.28 is: 96,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,570.16 : 162,242.22 = 69,822.28 : x
  2. Step 2: Convert to fraction form
    117,570.16/162,242.22 = 69,822.28/x
  3. Step 3: Cross multiply
    117,570.16x = 162,242.22 × 69,822.28
  4. Step 4: Simplify right side
    117,570.16x = 11,328,121,712.66
  5. Step 5: Solve for x
    x = 11,328,121,712.66/117,570.16
  6. Step 6: Final answer
    x = 96,352.01

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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.