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Finding the Fourth Proportional to 91,604.63, 137,415.15 and 25,045.11

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Solution

The fourth proportional to 91,604.63, 137,415.15 and 25,045.11 is: 37,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,604.63 : 137,415.15 = 25,045.11 : x
  2. Step 2: Convert to fraction form
    91,604.63/137,415.15 = 25,045.11/x
  3. Step 3: Cross multiply
    91,604.63x = 137,415.15 × 25,045.11
  4. Step 4: Simplify right side
    91,604.63x = 3,441,577,547.42
  5. Step 5: Solve for x
    x = 3,441,577,547.42/91,604.63
  6. Step 6: Final answer
    x = 37,569.91

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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.