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Finding the Fourth Proportional to 70,459,510.05, 105,663,908.03 and 24,388,861.41

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Solution

The fourth proportional to 70,459,510.05, 105,663,908.03 and 24,388,861.41 is: 36,574,515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,459,510.05 : 105,663,908.03 = 24,388,861.41 : x
  2. Step 2: Convert to fraction form
    70,459,510.05/105,663,908.03 = 24,388,861.41/x
  3. Step 3: Cross multiply
    70,459,510.05x = 105,663,908.03 × 24,388,861.41
  4. Step 4: Simplify right side
    70,459,510.05x = 2,577,022,408,860,712
  5. Step 5: Solve for x
    x = 2,577,022,408,860,712/70,459,510.05
  6. Step 6: Final answer
    x = 36,574,515.02

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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.