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Finding the Fourth Proportional to 64,129,953.49, 88,496,964.87 and 34,760,655.49

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Solution

The fourth proportional to 64,129,953.49, 88,496,964.87 and 34,760,655.49 is: 47,968,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,129,953.49 : 88,496,964.87 = 34,760,655.49 : x
  2. Step 2: Convert to fraction form
    64,129,953.49/88,496,964.87 = 34,760,655.49/x
  3. Step 3: Cross multiply
    64,129,953.49x = 88,496,964.87 × 34,760,655.49
  4. Step 4: Simplify right side
    64,129,953.49x = 3,076,212,507,756,703
  5. Step 5: Solve for x
    x = 3,076,212,507,756,703/64,129,953.49
  6. Step 6: Final answer
    x = 47,968,419.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.