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Finding the Fourth Proportional to 98,648,412.10, 138,334,525.10 and 98,648,412.10

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Solution

The fourth proportional to 98,648,412.10, 138,334,525.10 and 98,648,412.10 is: 138,334,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,648,412.10 : 138,334,525.10 = 98,648,412.10 : x
  2. Step 2: Convert to fraction form
    98,648,412.10/138,334,525.10 = 98,648,412.10/x
  3. Step 3: Cross multiply
    98,648,412.10x = 138,334,525.10 × 98,648,412.10
  4. Step 4: Simplify right side
    98,648,412.10x = 13,646,481,239,722,592
  5. Step 5: Solve for x
    x = 13,646,481,239,722,592/98,648,412.10
  6. Step 6: Final answer
    x = 138,334,525.10

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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.