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Finding the Fourth Proportional to 301,111.61, 415,534.01 and 166,975.61

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Solution

The fourth proportional to 301,111.61, 415,534.01 and 166,975.61 is: 230,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,111.61 : 415,534.01 = 166,975.61 : x
  2. Step 2: Convert to fraction form
    301,111.61/415,534.01 = 166,975.61/x
  3. Step 3: Cross multiply
    301,111.61x = 415,534.01 × 166,975.61
  4. Step 4: Simplify right side
    301,111.61x = 69,384,041,882.95
  5. Step 5: Solve for x
    x = 69,384,041,882.95/301,111.61
  6. Step 6: Final answer
    x = 230,426.33

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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.