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Finding the Fourth Proportional to 76,051.80, 114,077.70 and 51,168.60

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Solution

The fourth proportional to 76,051.80, 114,077.70 and 51,168.60 is: 76,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,051.80 : 114,077.70 = 51,168.60 : x
  2. Step 2: Convert to fraction form
    76,051.80/114,077.70 = 51,168.60/x
  3. Step 3: Cross multiply
    76,051.80x = 114,077.70 × 51,168.60
  4. Step 4: Simplify right side
    76,051.80x = 5,837,196,200.22
  5. Step 5: Solve for x
    x = 5,837,196,200.22/76,051.80
  6. Step 6: Final answer
    x = 76,752.90

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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.