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Finding the Fourth Proportional to 157,305.86, 235,865.46 and 62,485.07

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Solution

The fourth proportional to 157,305.86, 235,865.46 and 62,485.07 is: 93,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,305.86 : 235,865.46 = 62,485.07 : x
  2. Step 2: Convert to fraction form
    157,305.86/235,865.46 = 62,485.07/x
  3. Step 3: Cross multiply
    157,305.86x = 235,865.46 × 62,485.07
  4. Step 4: Simplify right side
    157,305.86x = 14,738,068,599.35
  5. Step 5: Solve for x
    x = 14,738,068,599.35/157,305.86
  6. Step 6: Final answer
    x = 93,690.53

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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.