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Finding the Fourth Proportional to 93,301.56, 128,758.02 and 50,860.08

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Solution

The fourth proportional to 93,301.56, 128,758.02 and 50,860.08 is: 70,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,301.56 : 128,758.02 = 50,860.08 : x
  2. Step 2: Convert to fraction form
    93,301.56/128,758.02 = 50,860.08/x
  3. Step 3: Cross multiply
    93,301.56x = 128,758.02 × 50,860.08
  4. Step 4: Simplify right side
    93,301.56x = 6,548,643,197.84
  5. Step 5: Solve for x
    x = 6,548,643,197.84/93,301.56
  6. Step 6: Final answer
    x = 70,187.93

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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.