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Finding the Fourth Proportional to 64,672,405.80, 97,008,608.70 and 56,169,349.80

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Solution

The fourth proportional to 64,672,405.80, 97,008,608.70 and 56,169,349.80 is: 84,254,024.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,672,405.80 : 97,008,608.70 = 56,169,349.80 : x
  2. Step 2: Convert to fraction form
    64,672,405.80/97,008,608.70 = 56,169,349.80/x
  3. Step 3: Cross multiply
    64,672,405.80x = 97,008,608.70 × 56,169,349.80
  4. Step 4: Simplify right side
    64,672,405.80x = 5,448,910,475,681,623
  5. Step 5: Solve for x
    x = 5,448,910,475,681,623/64,672,405.80
  6. Step 6: Final answer
    x = 84,254,024.70

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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.