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Finding the Fourth Proportional to 218,328.84, 301,295.04 and 122,837.16

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Solution

The fourth proportional to 218,328.84, 301,295.04 and 122,837.16 is: 169,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,328.84 : 301,295.04 = 122,837.16 : x
  2. Step 2: Convert to fraction form
    218,328.84/301,295.04 = 122,837.16/x
  3. Step 3: Cross multiply
    218,328.84x = 301,295.04 × 122,837.16
  4. Step 4: Simplify right side
    218,328.84x = 37,010,227,035.69
  5. Step 5: Solve for x
    x = 37,010,227,035.69/218,328.84
  6. Step 6: Final answer
    x = 169,515.98

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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.