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Finding the Fourth Proportional to 117,570.51, 162,226.20 and 69,835.59

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Solution

The fourth proportional to 117,570.51, 162,226.20 and 69,835.59 is: 96,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,570.51 : 162,226.20 = 69,835.59 : x
  2. Step 2: Convert to fraction form
    117,570.51/162,226.20 = 69,835.59/x
  3. Step 3: Cross multiply
    117,570.51x = 162,226.20 × 69,835.59
  4. Step 4: Simplify right side
    117,570.51x = 11,329,162,390.46
  5. Step 5: Solve for x
    x = 11,329,162,390.46/117,570.51
  6. Step 6: Final answer
    x = 96,360.58

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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.