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Finding the Fourth Proportional to 91,854, 137,762.88 and 25,277.04

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Solution

The fourth proportional to 91,854, 137,762.88 and 25,277.04 is: 37,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,854 : 137,762.88 = 25,277.04 : x
  2. Step 2: Convert to fraction form
    91,854/137,762.88 = 25,277.04/x
  3. Step 3: Cross multiply
    91,854x = 137,762.88 × 25,277.04
  4. Step 4: Simplify right side
    91,854x = 3,482,237,828.28
  5. Step 5: Solve for x
    x = 3,482,237,828.28/91,854
  6. Step 6: Final answer
    x = 37,910.57

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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.