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Finding the Fourth Proportional to 93,372.60, 128,852.76 and 50,930.28

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Solution

The fourth proportional to 93,372.60, 128,852.76 and 50,930.28 is: 70,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,372.60 : 128,852.76 = 50,930.28 : x
  2. Step 2: Convert to fraction form
    93,372.60/128,852.76 = 50,930.28/x
  3. Step 3: Cross multiply
    93,372.60x = 128,852.76 × 50,930.28
  4. Step 4: Simplify right side
    93,372.60x = 6,562,507,145.57
  5. Step 5: Solve for x
    x = 6,562,507,145.57/93,372.60
  6. Step 6: Final answer
    x = 70,283.01

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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.