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Finding the Fourth Proportional to 117,649.64, 162,360.41 and 69,242.82

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Solution

The fourth proportional to 117,649.64, 162,360.41 and 69,242.82 is: 95,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,649.64 : 162,360.41 = 69,242.82 : x
  2. Step 2: Convert to fraction form
    117,649.64/162,360.41 = 69,242.82/x
  3. Step 3: Cross multiply
    117,649.64x = 162,360.41 × 69,242.82
  4. Step 4: Simplify right side
    117,649.64x = 11,242,292,817.86
  5. Step 5: Solve for x
    x = 11,242,292,817.86/117,649.64
  6. Step 6: Final answer
    x = 95,557.40

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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.