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Finding the Fourth Proportional to 62,382,163.80, 93,579,498.90 and 21,436,210.20

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Solution

The fourth proportional to 62,382,163.80, 93,579,498.90 and 21,436,210.20 is: 32,156,464.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,382,163.80 : 93,579,498.90 = 21,436,210.20 : x
  2. Step 2: Convert to fraction form
    62,382,163.80/93,579,498.90 = 21,436,210.20/x
  3. Step 3: Cross multiply
    62,382,163.80x = 93,579,498.90 × 21,436,210.20
  4. Step 4: Simplify right side
    62,382,163.80x = 2,005,989,808,831,068.75
  5. Step 5: Solve for x
    x = 2,005,989,808,831,068.75/62,382,163.80
  6. Step 6: Final answer
    x = 32,156,464.07

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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.