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Finding the Fourth Proportional to 171,999,022.80, 241,478,876.40 and 171,999,022.80

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Solution

The fourth proportional to 171,999,022.80, 241,478,876.40 and 171,999,022.80 is: 241,478,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,999,022.80 : 241,478,876.40 = 171,999,022.80 : x
  2. Step 2: Convert to fraction form
    171,999,022.80/241,478,876.40 = 171,999,022.80/x
  3. Step 3: Cross multiply
    171,999,022.80x = 241,478,876.40 × 171,999,022.80
  4. Step 4: Simplify right side
    171,999,022.80x = 41,534,130,767,641,984
  5. Step 5: Solve for x
    x = 41,534,130,767,641,984/171,999,022.80
  6. Step 6: Final answer
    x = 241,478,876.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.