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Finding the Fourth Proportional to 157,052.60, 235,002.90 and 115,580.60

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Solution

The fourth proportional to 157,052.60, 235,002.90 and 115,580.60 is: 172,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,052.60 : 235,002.90 = 115,580.60 : x
  2. Step 2: Convert to fraction form
    157,052.60/235,002.90 = 115,580.60/x
  3. Step 3: Cross multiply
    157,052.60x = 235,002.90 × 115,580.60
  4. Step 4: Simplify right side
    157,052.60x = 27,161,776,183.74
  5. Step 5: Solve for x
    x = 27,161,776,183.74/157,052.60
  6. Step 6: Final answer
    x = 172,947.00

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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.