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Finding the Fourth Proportional to 169,458,541.20, 254,187,811.80 and 169,458,541.20

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Solution

The fourth proportional to 169,458,541.20, 254,187,811.80 and 169,458,541.20 is: 254,187,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,458,541.20 : 254,187,811.80 = 169,458,541.20 : x
  2. Step 2: Convert to fraction form
    169,458,541.20/254,187,811.80 = 169,458,541.20/x
  3. Step 3: Cross multiply
    169,458,541.20x = 254,187,811.80 × 169,458,541.20
  4. Step 4: Simplify right side
    169,458,541.20x = 43,074,295,778,448,144
  5. Step 5: Solve for x
    x = 43,074,295,778,448,144/169,458,541.20
  6. Step 6: Final answer
    x = 254,187,811.80

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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.