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Finding the Fourth Proportional to 93,763.34, 129,393.83 and 50,742.84

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Solution

The fourth proportional to 93,763.34, 129,393.83 and 50,742.84 is: 70,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,763.34 : 129,393.83 = 50,742.84 : x
  2. Step 2: Convert to fraction form
    93,763.34/129,393.83 = 50,742.84/x
  3. Step 3: Cross multiply
    93,763.34x = 129,393.83 × 50,742.84
  4. Step 4: Simplify right side
    93,763.34x = 6,565,810,304.06
  5. Step 5: Solve for x
    x = 6,565,810,304.06/93,763.34
  6. Step 6: Final answer
    x = 70,025.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.