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Finding the Fourth Proportional to 220,169,488.80, 330,466,809.60 and 134,076,046.80

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Solution

The fourth proportional to 220,169,488.80, 330,466,809.60 and 134,076,046.80 is: 201,243,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,169,488.80 : 330,466,809.60 = 134,076,046.80 : x
  2. Step 2: Convert to fraction form
    220,169,488.80/330,466,809.60 = 134,076,046.80/x
  3. Step 3: Cross multiply
    220,169,488.80x = 330,466,809.60 × 134,076,046.80
  4. Step 4: Simplify right side
    220,169,488.80x = 44,307,683,429,776,288
  5. Step 5: Solve for x
    x = 44,307,683,429,776,288/220,169,488.80
  6. Step 6: Final answer
    x = 201,243,522.30

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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.