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Finding the Fourth Proportional to 118,870.86, 178,374.96 and 44,043.42

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Solution

The fourth proportional to 118,870.86, 178,374.96 and 44,043.42 is: 66,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,870.86 : 178,374.96 = 44,043.42 : x
  2. Step 2: Convert to fraction form
    118,870.86/178,374.96 = 44,043.42/x
  3. Step 3: Cross multiply
    118,870.86x = 178,374.96 × 44,043.42
  4. Step 4: Simplify right side
    118,870.86x = 7,856,243,280.76
  5. Step 5: Solve for x
    x = 7,856,243,280.76/118,870.86
  6. Step 6: Final answer
    x = 66,090.57

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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.