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Finding the Fourth Proportional to 84,303.82, 126,346.71 and 63,077.32

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Solution

The fourth proportional to 84,303.82, 126,346.71 and 63,077.32 is: 94,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,303.82 : 126,346.71 = 63,077.32 : x
  2. Step 2: Convert to fraction form
    84,303.82/126,346.71 = 63,077.32/x
  3. Step 3: Cross multiply
    84,303.82x = 126,346.71 × 63,077.32
  4. Step 4: Simplify right side
    84,303.82x = 7,969,611,857.62
  5. Step 5: Solve for x
    x = 7,969,611,857.62/84,303.82
  6. Step 6: Final answer
    x = 94,534.41

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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.