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Finding the Fourth Proportional to 48,385,629.70, 67,829,461.10 and 48,385,629.70

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Solution

The fourth proportional to 48,385,629.70, 67,829,461.10 and 48,385,629.70 is: 67,829,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,629.70 : 67,829,461.10 = 48,385,629.70 : x
  2. Step 2: Convert to fraction form
    48,385,629.70/67,829,461.10 = 48,385,629.70/x
  3. Step 3: Cross multiply
    48,385,629.70x = 67,829,461.10 × 48,385,629.70
  4. Step 4: Simplify right side
    48,385,629.70x = 3,281,971,187,535,154.50
  5. Step 5: Solve for x
    x = 3,281,971,187,535,154.50/48,385,629.70
  6. Step 6: Final answer
    x = 67,829,461.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.