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Finding the Fourth Proportional to 212,564.88, 293,352.82 and 117,071.55

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Solution

The fourth proportional to 212,564.88, 293,352.82 and 117,071.55 is: 161,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,564.88 : 293,352.82 = 117,071.55 : x
  2. Step 2: Convert to fraction form
    212,564.88/293,352.82 = 117,071.55/x
  3. Step 3: Cross multiply
    212,564.88x = 293,352.82 × 117,071.55
  4. Step 4: Simplify right side
    212,564.88x = 34,343,269,041.59
  5. Step 5: Solve for x
    x = 34,343,269,041.59/212,564.88
  6. Step 6: Final answer
    x = 161,566.05

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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.