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Finding the Fourth Proportional to 169,771,788.37, 254,657,364.71 and 53,196,068.78

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Solution

The fourth proportional to 169,771,788.37, 254,657,364.71 and 53,196,068.78 is: 79,794,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,771,788.37 : 254,657,364.71 = 53,196,068.78 : x
  2. Step 2: Convert to fraction form
    169,771,788.37/254,657,364.71 = 53,196,068.78/x
  3. Step 3: Cross multiply
    169,771,788.37x = 254,657,364.71 × 53,196,068.78
  4. Step 4: Simplify right side
    169,771,788.37x = 13,546,770,687,106,922
  5. Step 5: Solve for x
    x = 13,546,770,687,106,922/169,771,788.37
  6. Step 6: Final answer
    x = 79,794,003.57

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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.