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Finding the Fourth Proportional to 164,057,307.60, 246,180,439.80 and 61,894,664.40

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Solution

The fourth proportional to 164,057,307.60, 246,180,439.80 and 61,894,664.40 is: 92,877,640.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,057,307.60 : 246,180,439.80 = 61,894,664.40 : x
  2. Step 2: Convert to fraction form
    164,057,307.60/246,180,439.80 = 61,894,664.40/x
  3. Step 3: Cross multiply
    164,057,307.60x = 246,180,439.80 × 61,894,664.40
  4. Step 4: Simplify right side
    164,057,307.60x = 15,237,255,703,265,404
  5. Step 5: Solve for x
    x = 15,237,255,703,265,404/164,057,307.60
  6. Step 6: Final answer
    x = 92,877,640.91

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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.