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Finding the Fourth Proportional to 139,968,000.23, 209,952,000.34 and 139,968,000.23

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Solution

The fourth proportional to 139,968,000.23, 209,952,000.34 and 139,968,000.23 is: 209,952,000.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,000.23 : 209,952,000.34 = 139,968,000.23 : x
  2. Step 2: Convert to fraction form
    139,968,000.23/209,952,000.34 = 139,968,000.23/x
  3. Step 3: Cross multiply
    139,968,000.23x = 209,952,000.34 × 139,968,000.23
  4. Step 4: Simplify right side
    139,968,000.23x = 29,386,561,630,478,400
  5. Step 5: Solve for x
    x = 29,386,561,630,478,400/139,968,000.23
  6. Step 6: Final answer
    x = 209,952,000.34

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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.