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Finding the Fourth Proportional to 231,346.67, 319,259.25 and 134,573.74

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Solution

The fourth proportional to 231,346.67, 319,259.25 and 134,573.74 is: 185,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,346.67 : 319,259.25 = 134,573.74 : x
  2. Step 2: Convert to fraction form
    231,346.67/319,259.25 = 134,573.74/x
  3. Step 3: Cross multiply
    231,346.67x = 319,259.25 × 134,573.74
  4. Step 4: Simplify right side
    231,346.67x = 42,963,911,302.10
  5. Step 5: Solve for x
    x = 42,963,911,302.10/231,346.67
  6. Step 6: Final answer
    x = 185,712.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.