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Finding the Fourth Proportional to 68,842,915.50, 103,271,938.44 and 22,768,001.40

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Solution

The fourth proportional to 68,842,915.50, 103,271,938.44 and 22,768,001.40 is: 34,154,504.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,842,915.50 : 103,271,938.44 = 22,768,001.40 : x
  2. Step 2: Convert to fraction form
    68,842,915.50/103,271,938.44 = 22,768,001.40/x
  3. Step 3: Cross multiply
    68,842,915.50x = 103,271,938.44 × 22,768,001.40
  4. Step 4: Simplify right side
    68,842,915.50x = 2,351,295,638,637,940
  5. Step 5: Solve for x
    x = 2,351,295,638,637,940/68,842,915.50
  6. Step 6: Final answer
    x = 34,154,504.09

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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.