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Finding the Fourth Proportional to 316,058.58, 474,262.83 and 129,055.50

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Solution

The fourth proportional to 316,058.58, 474,262.83 and 129,055.50 is: 193,654.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,058.58 : 474,262.83 = 129,055.50 : x
  2. Step 2: Convert to fraction form
    316,058.58/474,262.83 = 129,055.50/x
  3. Step 3: Cross multiply
    316,058.58x = 474,262.83 × 129,055.50
  4. Step 4: Simplify right side
    316,058.58x = 61,206,226,657.07
  5. Step 5: Solve for x
    x = 61,206,226,657.07/316,058.58
  6. Step 6: Final answer
    x = 193,654.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.