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Finding the Fourth Proportional to 301,873,948.62, 416,576,400.03 and 169,720,537.02

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Solution

The fourth proportional to 301,873,948.62, 416,576,400.03 and 169,720,537.02 is: 234,208,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,873,948.62 : 416,576,400.03 = 169,720,537.02 : x
  2. Step 2: Convert to fraction form
    301,873,948.62/416,576,400.03 = 169,720,537.02/x
  3. Step 3: Cross multiply
    301,873,948.62x = 416,576,400.03 × 169,720,537.02
  4. Step 4: Simplify right side
    301,873,948.62x = 70,701,570,322,949,944
  5. Step 5: Solve for x
    x = 70,701,570,322,949,944/301,873,948.62
  6. Step 6: Final answer
    x = 234,208,916.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.