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Finding the Fourth Proportional to 93,102.57, 128,482.14 and 50,661.41

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Solution

The fourth proportional to 93,102.57, 128,482.14 and 50,661.41 is: 69,913.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,102.57 : 128,482.14 = 50,661.41 : x
  2. Step 2: Convert to fraction form
    93,102.57/128,482.14 = 50,661.41/x
  3. Step 3: Cross multiply
    93,102.57x = 128,482.14 × 50,661.41
  4. Step 4: Simplify right side
    93,102.57x = 6,509,085,729.81
  5. Step 5: Solve for x
    x = 6,509,085,729.81/93,102.57
  6. Step 6: Final answer
    x = 69,913.06

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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.