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Finding the Fourth Proportional to 64,649,163.60, 97,085,719.80 and 34,416,075.60

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Solution

The fourth proportional to 64,649,163.60, 97,085,719.80 and 34,416,075.60 is: 51,683,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,649,163.60 : 97,085,719.80 = 34,416,075.60 : x
  2. Step 2: Convert to fraction form
    64,649,163.60/97,085,719.80 = 34,416,075.60/x
  3. Step 3: Cross multiply
    64,649,163.60x = 97,085,719.80 × 34,416,075.60
  4. Step 4: Simplify right side
    64,649,163.60x = 3,341,309,472,317,217
  5. Step 5: Solve for x
    x = 3,341,309,472,317,217/64,649,163.60
  6. Step 6: Final answer
    x = 51,683,723.13

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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.