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Finding the Fourth Proportional to 45,058,498.20, 67,587,747.30 and 45,058,498.20

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Solution

The fourth proportional to 45,058,498.20, 67,587,747.30 and 45,058,498.20 is: 67,587,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,058,498.20 : 67,587,747.30 = 45,058,498.20 : x
  2. Step 2: Convert to fraction form
    45,058,498.20/67,587,747.30 = 45,058,498.20/x
  3. Step 3: Cross multiply
    45,058,498.20x = 67,587,747.30 × 45,058,498.20
  4. Step 4: Simplify right side
    45,058,498.20x = 3,045,402,390,059,105
  5. Step 5: Solve for x
    x = 3,045,402,390,059,105/45,058,498.20
  6. Step 6: Final answer
    x = 67,587,747.30

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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.