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Finding the Fourth Proportional to 115,104,830.40, 172,657,245.60 and 115,104,830.40

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Solution

The fourth proportional to 115,104,830.40, 172,657,245.60 and 115,104,830.40 is: 172,657,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,104,830.40 : 172,657,245.60 = 115,104,830.40 : x
  2. Step 2: Convert to fraction form
    115,104,830.40/172,657,245.60 = 115,104,830.40/x
  3. Step 3: Cross multiply
    115,104,830.40x = 172,657,245.60 × 115,104,830.40
  4. Step 4: Simplify right side
    115,104,830.40x = 19,873,682,972,119,148
  5. Step 5: Solve for x
    x = 19,873,682,972,119,148/115,104,830.40
  6. Step 6: Final answer
    x = 172,657,245.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.