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Finding the Fourth Proportional to 93,866.04, 129,509.28 and 58,057.56

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Solution

The fourth proportional to 93,866.04, 129,509.28 and 58,057.56 is: 80,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,866.04 : 129,509.28 = 58,057.56 : x
  2. Step 2: Convert to fraction form
    93,866.04/129,509.28 = 58,057.56/x
  3. Step 3: Cross multiply
    93,866.04x = 129,509.28 × 58,057.56
  4. Step 4: Simplify right side
    93,866.04x = 7,518,992,794.16
  5. Step 5: Solve for x
    x = 7,518,992,794.16/93,866.04
  6. Step 6: Final answer
    x = 80,103.44

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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.