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Finding the Fourth Proportional to 157,966.60, 236,373.90 and 116,494.60

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Solution

The fourth proportional to 157,966.60, 236,373.90 and 116,494.60 is: 174,317.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,966.60 : 236,373.90 = 116,494.60 : x
  2. Step 2: Convert to fraction form
    157,966.60/236,373.90 = 116,494.60/x
  3. Step 3: Cross multiply
    157,966.60x = 236,373.90 × 116,494.60
  4. Step 4: Simplify right side
    157,966.60x = 27,536,282,930.94
  5. Step 5: Solve for x
    x = 27,536,282,930.94/157,966.60
  6. Step 6: Final answer
    x = 174,317.12

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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.