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Finding the Fourth Proportional to 152,805.20, 210,860.91 and 92,409.14

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Solution

The fourth proportional to 152,805.20, 210,860.91 and 92,409.14 is: 127,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,805.20 : 210,860.91 = 92,409.14 : x
  2. Step 2: Convert to fraction form
    152,805.20/210,860.91 = 92,409.14/x
  3. Step 3: Cross multiply
    152,805.20x = 210,860.91 × 92,409.14
  4. Step 4: Simplify right side
    152,805.20x = 19,485,474,298.41
  5. Step 5: Solve for x
    x = 19,485,474,298.41/152,805.20
  6. Step 6: Final answer
    x = 127,518.40

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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.