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Finding the Fourth Proportional to 109,770, 151,484.22 and 59,469

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Solution

The fourth proportional to 109,770, 151,484.22 and 59,469 is: 82,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,770 : 151,484.22 = 59,469 : x
  2. Step 2: Convert to fraction form
    109,770/151,484.22 = 59,469/x
  3. Step 3: Cross multiply
    109,770x = 151,484.22 × 59,469
  4. Step 4: Simplify right side
    109,770x = 9,008,615,079.18
  5. Step 5: Solve for x
    x = 9,008,615,079.18/109,770
  6. Step 6: Final answer
    x = 82,068.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.