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Finding the Fourth Proportional to 101,376,461.80, 152,064,692.70 and 36,680,141.80

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Solution

The fourth proportional to 101,376,461.80, 152,064,692.70 and 36,680,141.80 is: 55,020,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,376,461.80 : 152,064,692.70 = 36,680,141.80 : x
  2. Step 2: Convert to fraction form
    101,376,461.80/152,064,692.70 = 36,680,141.80/x
  3. Step 3: Cross multiply
    101,376,461.80x = 152,064,692.70 × 36,680,141.80
  4. Step 4: Simplify right side
    101,376,461.80x = 5,577,754,491,009,424
  5. Step 5: Solve for x
    x = 5,577,754,491,009,424/101,376,461.80
  6. Step 6: Final answer
    x = 55,020,212.70

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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.