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Finding the Fourth Proportional to 60,774.80, 91,097.40 and 23,320.40

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Solution

The fourth proportional to 60,774.80, 91,097.40 and 23,320.40 is: 34,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,774.80 : 91,097.40 = 23,320.40 : x
  2. Step 2: Convert to fraction form
    60,774.80/91,097.40 = 23,320.40/x
  3. Step 3: Cross multiply
    60,774.80x = 91,097.40 × 23,320.40
  4. Step 4: Simplify right side
    60,774.80x = 2,124,427,806.96
  5. Step 5: Solve for x
    x = 2,124,427,806.96/60,774.80
  6. Step 6: Final answer
    x = 34,955.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.