Finding the Fourth Proportional to 112,508.23, 155,377.56 and 97,328.02
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Solution
The fourth proportional to 112,508.23, 155,377.56 and 97,328.02 is: 134,413.19
Step by Step Solution
- Step 1: Write the proportion equation
112,508.23 : 155,377.56 = 97,328.02 : x - Step 2: Convert to fraction form
112,508.23/155,377.56 = 97,328.02/x - Step 3: Cross multiply
112,508.23x = 155,377.56 × 97,328.02 - Step 4: Simplify right side
112,508.23x = 15,122,590,267.23 - Step 5: Solve for x
x = 15,122,590,267.23/112,508.23 - Step 6: Final answer
x = 134,413.19
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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.