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Finding the Fourth Proportional to 146,637,948.03, 219,874,012.74 and 48,243,028.29

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Solution

The fourth proportional to 146,637,948.03, 219,874,012.74 and 48,243,028.29 is: 72,337,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,637,948.03 : 219,874,012.74 = 48,243,028.29 : x
  2. Step 2: Convert to fraction form
    146,637,948.03/219,874,012.74 = 48,243,028.29/x
  3. Step 3: Cross multiply
    146,637,948.03x = 219,874,012.74 × 48,243,028.29
  4. Step 4: Simplify right side
    146,637,948.03x = 10,607,388,216,851,640
  5. Step 5: Solve for x
    x = 10,607,388,216,851,640/146,637,948.03
  6. Step 6: Final answer
    x = 72,337,265.76

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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.