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Finding the Fourth Proportional to 301,026.88, 415,417.68 and 166,890.88

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Solution

The fourth proportional to 301,026.88, 415,417.68 and 166,890.88 is: 230,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,026.88 : 415,417.68 = 166,890.88 : x
  2. Step 2: Convert to fraction form
    301,026.88/415,417.68 = 166,890.88/x
  3. Step 3: Cross multiply
    301,026.88x = 415,417.68 × 166,890.88
  4. Step 4: Simplify right side
    301,026.88x = 69,329,422,182.76
  5. Step 5: Solve for x
    x = 69,329,422,182.76/301,026.88
  6. Step 6: Final answer
    x = 230,309.74

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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.