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Finding the Fourth Proportional to 93,101.68, 128,483.06 and 50,662.96

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Solution

The fourth proportional to 93,101.68, 128,483.06 and 50,662.96 is: 69,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,101.68 : 128,483.06 = 50,662.96 : x
  2. Step 2: Convert to fraction form
    93,101.68/128,483.06 = 50,662.96/x
  3. Step 3: Cross multiply
    93,101.68x = 128,483.06 × 50,662.96
  4. Step 4: Simplify right side
    93,101.68x = 6,509,332,129.46
  5. Step 5: Solve for x
    x = 6,509,332,129.46/93,101.68
  6. Step 6: Final answer
    x = 69,916.38

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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.