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Finding the Fourth Proportional to 93,045.76, 128,399.46 and 50,604.28

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Solution

The fourth proportional to 93,045.76, 128,399.46 and 50,604.28 is: 69,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,045.76 : 128,399.46 = 50,604.28 : x
  2. Step 2: Convert to fraction form
    93,045.76/128,399.46 = 50,604.28/x
  3. Step 3: Cross multiply
    93,045.76x = 128,399.46 × 50,604.28
  4. Step 4: Simplify right side
    93,045.76x = 6,497,562,225.69
  5. Step 5: Solve for x
    x = 6,497,562,225.69/93,045.76
  6. Step 6: Final answer
    x = 69,831.90

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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.