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Finding the Fourth Proportional to 139,968,014.60, 209,574,108.30 and 139,968,014.60

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Solution

The fourth proportional to 139,968,014.60, 209,574,108.30 and 139,968,014.60 is: 209,574,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,014.60 : 209,574,108.30 = 139,968,014.60 : x
  2. Step 2: Convert to fraction form
    139,968,014.60/209,574,108.30 = 139,968,014.60/x
  3. Step 3: Cross multiply
    139,968,014.60x = 209,574,108.30 × 139,968,014.60
  4. Step 4: Simplify right side
    139,968,014.60x = 29,333,671,850,316,380
  5. Step 5: Solve for x
    x = 29,333,671,850,316,380/139,968,014.60
  6. Step 6: Final answer
    x = 209,574,108.30

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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.