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Finding the Fourth Proportional to 201,453,753.60, 301,956,681.60 and 110,642,515.20

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Solution

The fourth proportional to 201,453,753.60, 301,956,681.60 and 110,642,515.20 is: 165,840,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,453,753.60 : 301,956,681.60 = 110,642,515.20 : x
  2. Step 2: Convert to fraction form
    201,453,753.60/301,956,681.60 = 110,642,515.20/x
  3. Step 3: Cross multiply
    201,453,753.60x = 301,956,681.60 × 110,642,515.20
  4. Step 4: Simplify right side
    201,453,753.60x = 33,409,246,733,669,564
  5. Step 5: Solve for x
    x = 33,409,246,733,669,564/201,453,753.60
  6. Step 6: Final answer
    x = 165,840,775.55

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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.