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Finding the Fourth Proportional to 117,773.90, 162,523.30 and 64,058.84

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Solution

The fourth proportional to 117,773.90, 162,523.30 and 64,058.84 is: 88,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,773.90 : 162,523.30 = 64,058.84 : x
  2. Step 2: Convert to fraction form
    117,773.90/162,523.30 = 64,058.84/x
  3. Step 3: Cross multiply
    117,773.90x = 162,523.30 × 64,058.84
  4. Step 4: Simplify right side
    117,773.90x = 10,411,054,070.97
  5. Step 5: Solve for x
    x = 10,411,054,070.97/117,773.90
  6. Step 6: Final answer
    x = 88,398.65

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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.