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Finding the Fourth Proportional to 93,756.76, 129,339.58 and 57,933.88

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Solution

The fourth proportional to 93,756.76, 129,339.58 and 57,933.88 is: 79,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,756.76 : 129,339.58 = 57,933.88 : x
  2. Step 2: Convert to fraction form
    93,756.76/129,339.58 = 57,933.88/x
  3. Step 3: Cross multiply
    93,756.76x = 129,339.58 × 57,933.88
  4. Step 4: Simplify right side
    93,756.76x = 7,493,143,706.97
  5. Step 5: Solve for x
    x = 7,493,143,706.97/93,756.76
  6. Step 6: Final answer
    x = 79,921.10

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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.