Finding the Fourth Proportional to 125,575,749.13, 173,293,626.18 and 69,820,737.65
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Solution
The fourth proportional to 125,575,749.13, 173,293,626.18 and 69,820,737.65 is: 96,352,113.32
Step by Step Solution
- Step 1: Write the proportion equation
125,575,749.13 : 173,293,626.18 = 69,820,737.65 : x - Step 2: Convert to fraction form
125,575,749.13/173,293,626.18 = 69,820,737.65/x - Step 3: Cross multiply
125,575,749.13x = 173,293,626.18 × 69,820,737.65 - Step 4: Simplify right side
125,575,749.13x = 12,099,488,809,930,954 - Step 5: Solve for x
x = 12,099,488,809,930,954/125,575,749.13 - Step 6: Final answer
x = 96,352,113.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.