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Finding the Fourth Proportional to 186,988,551.90, 280,482,827.85 and 184,437,635.10

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Solution

The fourth proportional to 186,988,551.90, 280,482,827.85 and 184,437,635.10 is: 276,656,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,988,551.90 : 280,482,827.85 = 184,437,635.10 : x
  2. Step 2: Convert to fraction form
    186,988,551.90/280,482,827.85 = 184,437,635.10/x
  3. Step 3: Cross multiply
    186,988,551.90x = 280,482,827.85 × 184,437,635.10
  4. Step 4: Simplify right side
    186,988,551.90x = 51,731,589,454,814,424
  5. Step 5: Solve for x
    x = 51,731,589,454,814,424/186,988,551.90
  6. Step 6: Final answer
    x = 276,656,452.65

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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.