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Finding the Fourth Proportional to 148,322.67, 204,699.96 and 84,670.05

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Solution

The fourth proportional to 148,322.67, 204,699.96 and 84,670.05 is: 116,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,322.67 : 204,699.96 = 84,670.05 : x
  2. Step 2: Convert to fraction form
    148,322.67/204,699.96 = 84,670.05/x
  3. Step 3: Cross multiply
    148,322.67x = 204,699.96 × 84,670.05
  4. Step 4: Simplify right side
    148,322.67x = 17,331,955,848.20
  5. Step 5: Solve for x
    x = 17,331,955,848.20/148,322.67
  6. Step 6: Final answer
    x = 116,853.05

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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.