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Finding the Fourth Proportional to 124,851,467.20, 187,277,200.80 and 124,851,467.20

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Solution

The fourth proportional to 124,851,467.20, 187,277,200.80 and 124,851,467.20 is: 187,277,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,851,467.20 : 187,277,200.80 = 124,851,467.20 : x
  2. Step 2: Convert to fraction form
    124,851,467.20/187,277,200.80 = 124,851,467.20/x
  3. Step 3: Cross multiply
    124,851,467.20x = 187,277,200.80 × 124,851,467.20
  4. Step 4: Simplify right side
    124,851,467.20x = 23,381,833,292,989,016
  5. Step 5: Solve for x
    x = 23,381,833,292,989,016/124,851,467.20
  6. Step 6: Final answer
    x = 187,277,200.80

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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.