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Finding the Fourth Proportional to 93,133.63, 128,549.13 and 57,353.64

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Solution

The fourth proportional to 93,133.63, 128,549.13 and 57,353.64 is: 79,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,133.63 : 128,549.13 = 57,353.64 : x
  2. Step 2: Convert to fraction form
    93,133.63/128,549.13 = 57,353.64/x
  3. Step 3: Cross multiply
    93,133.63x = 128,549.13 × 57,353.64
  4. Step 4: Simplify right side
    93,133.63x = 7,372,760,524.33
  5. Step 5: Solve for x
    x = 7,372,760,524.33/93,133.63
  6. Step 6: Final answer
    x = 79,163.25

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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.