Finding the Fourth Proportional to 97,747.30, 137,122.70 and 97,747.30
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Solution
The fourth proportional to 97,747.30, 137,122.70 and 97,747.30 is: 137,122.70
Step by Step Solution
- Step 1: Write the proportion equation
97,747.30 : 137,122.70 = 97,747.30 : x - Step 2: Convert to fraction form
97,747.30/137,122.70 = 97,747.30/x - Step 3: Cross multiply
97,747.30x = 137,122.70 × 97,747.30 - Step 4: Simplify right side
97,747.30x = 13,403,373,693.71 - Step 5: Solve for x
x = 13,403,373,693.71/97,747.30 - Step 6: Final answer
x = 137,122.70
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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.