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Finding the Fourth Proportional to 89,698,391.85, 125,662,779.15 and 89,698,391.85

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Solution

The fourth proportional to 89,698,391.85, 125,662,779.15 and 89,698,391.85 is: 125,662,779.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,698,391.85 : 125,662,779.15 = 89,698,391.85 : x
  2. Step 2: Convert to fraction form
    89,698,391.85/125,662,779.15 = 89,698,391.85/x
  3. Step 3: Cross multiply
    89,698,391.85x = 125,662,779.15 × 89,698,391.85
  4. Step 4: Simplify right side
    89,698,391.85x = 11,271,749,205,156,710
  5. Step 5: Solve for x
    x = 11,271,749,205,156,710/89,698,391.85
  6. Step 6: Final answer
    x = 125,662,779.15

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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.