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Finding the Fourth Proportional to 133,010.60, 199,746.30 and 70,802.60

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Solution

The fourth proportional to 133,010.60, 199,746.30 and 70,802.60 is: 106,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,010.60 : 199,746.30 = 70,802.60 : x
  2. Step 2: Convert to fraction form
    133,010.60/199,746.30 = 70,802.60/x
  3. Step 3: Cross multiply
    133,010.60x = 199,746.30 × 70,802.60
  4. Step 4: Simplify right side
    133,010.60x = 14,142,557,380.38
  5. Step 5: Solve for x
    x = 14,142,557,380.38/133,010.60
  6. Step 6: Final answer
    x = 106,326.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.