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Finding the Fourth Proportional to 93,133.96, 128,533.86 and 57,344.92

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Solution

The fourth proportional to 93,133.96, 128,533.86 and 57,344.92 is: 79,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,133.96 : 128,533.86 = 57,344.92 : x
  2. Step 2: Convert to fraction form
    93,133.96/128,533.86 = 57,344.92/x
  3. Step 3: Cross multiply
    93,133.96x = 128,533.86 × 57,344.92
  4. Step 4: Simplify right side
    93,133.96x = 7,370,763,918.99
  5. Step 5: Solve for x
    x = 7,370,763,918.99/93,133.96
  6. Step 6: Final answer
    x = 79,141.53

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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.