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Finding the Fourth Proportional to 55,627,286.40, 83,440,929.60 and 55,627,286.40

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Solution

The fourth proportional to 55,627,286.40, 83,440,929.60 and 55,627,286.40 is: 83,440,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,627,286.40 : 83,440,929.60 = 55,627,286.40 : x
  2. Step 2: Convert to fraction form
    55,627,286.40/83,440,929.60 = 55,627,286.40/x
  3. Step 3: Cross multiply
    55,627,286.40x = 83,440,929.60 × 55,627,286.40
  4. Step 4: Simplify right side
    55,627,286.40x = 4,641,592,488,341,437
  5. Step 5: Solve for x
    x = 4,641,592,488,341,437/55,627,286.40
  6. Step 6: Final answer
    x = 83,440,929.60

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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.