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Finding the Fourth Proportional to 60,408,057.30, 90,612,085.95 and 60,408,057.30

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Solution

The fourth proportional to 60,408,057.30, 90,612,085.95 and 60,408,057.30 is: 90,612,085.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,408,057.30 : 90,612,085.95 = 60,408,057.30 : x
  2. Step 2: Convert to fraction form
    60,408,057.30/90,612,085.95 = 60,408,057.30/x
  3. Step 3: Cross multiply
    60,408,057.30x = 90,612,085.95 × 60,408,057.30
  4. Step 4: Simplify right side
    60,408,057.30x = 5,473,700,080,140,125
  5. Step 5: Solve for x
    x = 5,473,700,080,140,125/60,408,057.30
  6. Step 6: Final answer
    x = 90,612,085.95

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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.