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Finding the Fourth Proportional to 117,873.82, 162,637.36 and 69,477.67

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Solution

The fourth proportional to 117,873.82, 162,637.36 and 69,477.67 is: 95,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,873.82 : 162,637.36 = 69,477.67 : x
  2. Step 2: Convert to fraction form
    117,873.82/162,637.36 = 69,477.67/x
  3. Step 3: Cross multiply
    117,873.82x = 162,637.36 × 69,477.67
  4. Step 4: Simplify right side
    117,873.82x = 11,299,664,827.75
  5. Step 5: Solve for x
    x = 11,299,664,827.75/117,873.82
  6. Step 6: Final answer
    x = 95,862.38

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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.