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Finding the Fourth Proportional to 186,690,627.60, 280,035,941.40 and 161,160,464.40

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Solution

The fourth proportional to 186,690,627.60, 280,035,941.40 and 161,160,464.40 is: 241,740,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,690,627.60 : 280,035,941.40 = 161,160,464.40 : x
  2. Step 2: Convert to fraction form
    186,690,627.60/280,035,941.40 = 161,160,464.40/x
  3. Step 3: Cross multiply
    186,690,627.60x = 280,035,941.40 × 161,160,464.40
  4. Step 4: Simplify right side
    186,690,627.60x = 45,130,722,364,715,184
  5. Step 5: Solve for x
    x = 45,130,722,364,715,184/186,690,627.60
  6. Step 6: Final answer
    x = 241,740,696.60

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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.