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Finding the Fourth Proportional to 196,651,598.40, 294,977,397.60 and 177,168,052.80

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Solution

The fourth proportional to 196,651,598.40, 294,977,397.60 and 177,168,052.80 is: 265,752,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,651,598.40 : 294,977,397.60 = 177,168,052.80 : x
  2. Step 2: Convert to fraction form
    196,651,598.40/294,977,397.60 = 177,168,052.80/x
  3. Step 3: Cross multiply
    196,651,598.40x = 294,977,397.60 × 177,168,052.80
  4. Step 4: Simplify right side
    196,651,598.40x = 52,260,571,152,803,400
  5. Step 5: Solve for x
    x = 52,260,571,152,803,400/196,651,598.40
  6. Step 6: Final answer
    x = 265,752,079.20

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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.