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Finding the Fourth Proportional to 173,868,343.80, 260,802,515.70 and 52,684,049.40

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Solution

The fourth proportional to 173,868,343.80, 260,802,515.70 and 52,684,049.40 is: 79,026,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868,343.80 : 260,802,515.70 = 52,684,049.40 : x
  2. Step 2: Convert to fraction form
    173,868,343.80/260,802,515.70 = 52,684,049.40/x
  3. Step 3: Cross multiply
    173,868,343.80x = 260,802,515.70 × 52,684,049.40
  4. Step 4: Simplify right side
    173,868,343.80x = 13,740,132,620,783,074
  5. Step 5: Solve for x
    x = 13,740,132,620,783,074/173,868,343.80
  6. Step 6: Final answer
    x = 79,026,074.10

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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.