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Finding the Fourth Proportional to 118,062.90, 177,095.61 and 94,520.07

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Solution

The fourth proportional to 118,062.90, 177,095.61 and 94,520.07 is: 141,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,062.90 : 177,095.61 = 94,520.07 : x
  2. Step 2: Convert to fraction form
    118,062.90/177,095.61 = 94,520.07/x
  3. Step 3: Cross multiply
    118,062.90x = 177,095.61 × 94,520.07
  4. Step 4: Simplify right side
    118,062.90x = 16,739,089,453.89
  5. Step 5: Solve for x
    x = 16,739,089,453.89/118,062.90
  6. Step 6: Final answer
    x = 141,781.11

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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.