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Finding the Fourth Proportional to 148,374.30, 204,827.50 and 84,699.80

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Solution

The fourth proportional to 148,374.30, 204,827.50 and 84,699.80 is: 116,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,374.30 : 204,827.50 = 84,699.80 : x
  2. Step 2: Convert to fraction form
    148,374.30/204,827.50 = 84,699.80/x
  3. Step 3: Cross multiply
    148,374.30x = 204,827.50 × 84,699.80
  4. Step 4: Simplify right side
    148,374.30x = 17,348,848,284.50
  5. Step 5: Solve for x
    x = 17,348,848,284.50/148,374.30
  6. Step 6: Final answer
    x = 116,926.24

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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.