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Finding the Fourth Proportional to 213,885.48, 295,089.66 and 123,239.10

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Solution

The fourth proportional to 213,885.48, 295,089.66 and 123,239.10 is: 170,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,885.48 : 295,089.66 = 123,239.10 : x
  2. Step 2: Convert to fraction form
    213,885.48/295,089.66 = 123,239.10/x
  3. Step 3: Cross multiply
    213,885.48x = 295,089.66 × 123,239.10
  4. Step 4: Simplify right side
    213,885.48x = 36,366,584,117.71
  5. Step 5: Solve for x
    x = 36,366,584,117.71/213,885.48
  6. Step 6: Final answer
    x = 170,028.30

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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.