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Finding the Fourth Proportional to 117,773.94, 162,526.47 and 64,057.80

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Solution

The fourth proportional to 117,773.94, 162,526.47 and 64,057.80 is: 88,398.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,773.94 : 162,526.47 = 64,057.80 : x
  2. Step 2: Convert to fraction form
    117,773.94/162,526.47 = 64,057.80/x
  3. Step 3: Cross multiply
    117,773.94x = 162,526.47 × 64,057.80
  4. Step 4: Simplify right side
    117,773.94x = 10,411,088,109.97
  5. Step 5: Solve for x
    x = 10,411,088,109.97/117,773.94
  6. Step 6: Final answer
    x = 88,398.91

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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.