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Finding the Fourth Proportional to 100,851,104.30, 151,276,656.45 and 100,851,104.30

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Solution

The fourth proportional to 100,851,104.30, 151,276,656.45 and 100,851,104.30 is: 151,276,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,851,104.30 : 151,276,656.45 = 100,851,104.30 : x
  2. Step 2: Convert to fraction form
    100,851,104.30/151,276,656.45 = 100,851,104.30/x
  3. Step 3: Cross multiply
    100,851,104.30x = 151,276,656.45 × 100,851,104.30
  4. Step 4: Simplify right side
    100,851,104.30x = 15,256,417,857,794,216
  5. Step 5: Solve for x
    x = 15,256,417,857,794,216/100,851,104.30
  6. Step 6: Final answer
    x = 151,276,656.45

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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.