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Finding the Fourth Proportional to 169,145,656.40, 236,293,735.60 and 169,145,656.40

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Solution

The fourth proportional to 169,145,656.40, 236,293,735.60 and 169,145,656.40 is: 236,293,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,145,656.40 : 236,293,735.60 = 169,145,656.40 : x
  2. Step 2: Convert to fraction form
    169,145,656.40/236,293,735.60 = 169,145,656.40/x
  3. Step 3: Cross multiply
    169,145,656.40x = 236,293,735.60 × 169,145,656.40
  4. Step 4: Simplify right side
    169,145,656.40x = 39,968,059,011,270,048
  5. Step 5: Solve for x
    x = 39,968,059,011,270,048/169,145,656.40
  6. Step 6: Final answer
    x = 236,293,735.60

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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.