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Finding the Fourth Proportional to 94,751.80, 142,127.70 and 94,060.60

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Solution

The fourth proportional to 94,751.80, 142,127.70 and 94,060.60 is: 141,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,751.80 : 142,127.70 = 94,060.60 : x
  2. Step 2: Convert to fraction form
    94,751.80/142,127.70 = 94,060.60/x
  3. Step 3: Cross multiply
    94,751.80x = 142,127.70 × 94,060.60
  4. Step 4: Simplify right side
    94,751.80x = 13,368,616,738.62
  5. Step 5: Solve for x
    x = 13,368,616,738.62/94,751.80
  6. Step 6: Final answer
    x = 141,090.90

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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.