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Finding the Fourth Proportional to 164,064,461.80, 246,096,692.70 and 137,389,671.40

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Solution

The fourth proportional to 164,064,461.80, 246,096,692.70 and 137,389,671.40 is: 206,084,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,064,461.80 : 246,096,692.70 = 137,389,671.40 : x
  2. Step 2: Convert to fraction form
    164,064,461.80/246,096,692.70 = 137,389,671.40/x
  3. Step 3: Cross multiply
    164,064,461.80x = 246,096,692.70 × 137,389,671.40
  4. Step 4: Simplify right side
    164,064,461.80x = 33,811,143,742,679,780
  5. Step 5: Solve for x
    x = 33,811,143,742,679,780/164,064,461.80
  6. Step 6: Final answer
    x = 206,084,507.10

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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.