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Finding the Fourth Proportional to 157,050.60, 234,999.90 and 115,578.60

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Solution

The fourth proportional to 157,050.60, 234,999.90 and 115,578.60 is: 172,944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,050.60 : 234,999.90 = 115,578.60 : x
  2. Step 2: Convert to fraction form
    157,050.60/234,999.90 = 115,578.60/x
  3. Step 3: Cross multiply
    157,050.60x = 234,999.90 × 115,578.60
  4. Step 4: Simplify right side
    157,050.60x = 27,160,959,442.14
  5. Step 5: Solve for x
    x = 27,160,959,442.14/157,050.60
  6. Step 6: Final answer
    x = 172,944.00

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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.