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Finding the Fourth Proportional to 64,723,409.70, 97,085,114.55 and 16,854,353.70

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Solution

The fourth proportional to 64,723,409.70, 97,085,114.55 and 16,854,353.70 is: 25,281,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,723,409.70 : 97,085,114.55 = 16,854,353.70 : x
  2. Step 2: Convert to fraction form
    64,723,409.70/97,085,114.55 = 16,854,353.70/x
  3. Step 3: Cross multiply
    64,723,409.70x = 97,085,114.55 × 16,854,353.70
  4. Step 4: Simplify right side
    64,723,409.70x = 1,636,306,859,630,716.25
  5. Step 5: Solve for x
    x = 1,636,306,859,630,716.25/64,723,409.70
  6. Step 6: Final answer
    x = 25,281,530.55

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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.