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Finding the Fourth Proportional to 16,128,830.40, 22,610,222.40 and 16,128,830.40

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Solution

The fourth proportional to 16,128,830.40, 22,610,222.40 and 16,128,830.40 is: 22,610,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,830.40 : 22,610,222.40 = 16,128,830.40 : x
  2. Step 2: Convert to fraction form
    16,128,830.40/22,610,222.40 = 16,128,830.40/x
  3. Step 3: Cross multiply
    16,128,830.40x = 22,610,222.40 × 16,128,830.40
  4. Step 4: Simplify right side
    16,128,830.40x = 364,676,442,395,880.94
  5. Step 5: Solve for x
    x = 364,676,442,395,880.94/16,128,830.40
  6. Step 6: Final answer
    x = 22,610,222.40

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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.