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Finding the Fourth Proportional to 159,699.60, 239,051.05 and 117,627.19

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Solution

The fourth proportional to 159,699.60, 239,051.05 and 117,627.19 is: 176,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,699.60 : 239,051.05 = 117,627.19 : x
  2. Step 2: Convert to fraction form
    159,699.60/239,051.05 = 117,627.19/x
  3. Step 3: Cross multiply
    159,699.60x = 239,051.05 × 117,627.19
  4. Step 4: Simplify right side
    159,699.60x = 28,118,902,386.35
  5. Step 5: Solve for x
    x = 28,118,902,386.35/159,699.60
  6. Step 6: Final answer
    x = 176,073.72

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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.