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Finding the Fourth Proportional to 302,887.74, 417,987.93 and 166,926.66

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Solution

The fourth proportional to 302,887.74, 417,987.93 and 166,926.66 is: 230,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,887.74 : 417,987.93 = 166,926.66 : x
  2. Step 2: Convert to fraction form
    302,887.74/417,987.93 = 166,926.66/x
  3. Step 3: Cross multiply
    302,887.74x = 417,987.93 × 166,926.66
  4. Step 4: Simplify right side
    302,887.74x = 69,773,329,075.21
  5. Step 5: Solve for x
    x = 69,773,329,075.21/302,887.74
  6. Step 6: Final answer
    x = 230,360.36

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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.