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Finding the Fourth Proportional to 22,148,915.80, 30,932,899.40 and 22,148,915.80

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Solution

The fourth proportional to 22,148,915.80, 30,932,899.40 and 22,148,915.80 is: 30,932,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148,915.80 : 30,932,899.40 = 22,148,915.80 : x
  2. Step 2: Convert to fraction form
    22,148,915.80/30,932,899.40 = 22,148,915.80/x
  3. Step 3: Cross multiply
    22,148,915.80x = 30,932,899.40 × 22,148,915.80
  4. Step 4: Simplify right side
    22,148,915.80x = 685,130,184,260,470.50
  5. Step 5: Solve for x
    x = 685,130,184,260,470.50/22,148,915.80
  6. Step 6: Final answer
    x = 30,932,899.40

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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.