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Finding the Fourth Proportional to 100,841.60, 151,262.40 and 94,280.60

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Solution

The fourth proportional to 100,841.60, 151,262.40 and 94,280.60 is: 141,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,841.60 : 151,262.40 = 94,280.60 : x
  2. Step 2: Convert to fraction form
    100,841.60/151,262.40 = 94,280.60/x
  3. Step 3: Cross multiply
    100,841.60x = 151,262.40 × 94,280.60
  4. Step 4: Simplify right side
    100,841.60x = 14,261,109,829.44
  5. Step 5: Solve for x
    x = 14,261,109,829.44/100,841.60
  6. Step 6: Final answer
    x = 141,420.90

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1.5x scale

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.