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Finding the Fourth Proportional to 108,611,803.80, 162,917,705.70 and 36,808,219.80

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Solution

The fourth proportional to 108,611,803.80, 162,917,705.70 and 36,808,219.80 is: 55,212,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,611,803.80 : 162,917,705.70 = 36,808,219.80 : x
  2. Step 2: Convert to fraction form
    108,611,803.80/162,917,705.70 = 36,808,219.80/x
  3. Step 3: Cross multiply
    108,611,803.80x = 162,917,705.70 × 36,808,219.80
  4. Step 4: Simplify right side
    108,611,803.80x = 5,996,710,720,717,312
  5. Step 5: Solve for x
    x = 5,996,710,720,717,312/108,611,803.80
  6. Step 6: Final answer
    x = 55,212,329.70

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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.