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Finding the Fourth Proportional to 185,718,300.80, 278,577,451.20 and 185,718,300.80

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Solution

The fourth proportional to 185,718,300.80, 278,577,451.20 and 185,718,300.80 is: 278,577,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,718,300.80 : 278,577,451.20 = 185,718,300.80 : x
  2. Step 2: Convert to fraction form
    185,718,300.80/278,577,451.20 = 185,718,300.80/x
  3. Step 3: Cross multiply
    185,718,300.80x = 278,577,451.20 × 185,718,300.80
  4. Step 4: Simplify right side
    185,718,300.80x = 51,736,930,878,058,920
  5. Step 5: Solve for x
    x = 51,736,930,878,058,920/185,718,300.80
  6. Step 6: Final answer
    x = 278,577,451.20

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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.