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Finding the Fourth Proportional to 186,454.07, 279,681.13 and 61,795.07

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Solution

The fourth proportional to 186,454.07, 279,681.13 and 61,795.07 is: 92,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,454.07 : 279,681.13 = 61,795.07 : x
  2. Step 2: Convert to fraction form
    186,454.07/279,681.13 = 61,795.07/x
  3. Step 3: Cross multiply
    186,454.07x = 279,681.13 × 61,795.07
  4. Step 4: Simplify right side
    186,454.07x = 17,282,913,607.62
  5. Step 5: Solve for x
    x = 17,282,913,607.62/186,454.07
  6. Step 6: Final answer
    x = 92,692.61

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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.