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Finding the Fourth Proportional to 64,702,629.16, 97,054,801.80 and 21,571,846.39

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Solution

The fourth proportional to 64,702,629.16, 97,054,801.80 and 21,571,846.39 is: 32,358,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,702,629.16 : 97,054,801.80 = 21,571,846.39 : x
  2. Step 2: Convert to fraction form
    64,702,629.16/97,054,801.80 = 21,571,846.39/x
  3. Step 3: Cross multiply
    64,702,629.16x = 97,054,801.80 × 21,571,846.39
  4. Step 4: Simplify right side
    64,702,629.16x = 2,093,651,275,841,495.50
  5. Step 5: Solve for x
    x = 2,093,651,275,841,495.50/64,702,629.16
  6. Step 6: Final answer
    x = 32,358,055.66

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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.