Finding the Fourth Proportional to 124,408.08, 171,683.73 and 70,695.99
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Solution
The fourth proportional to 124,408.08, 171,683.73 and 70,695.99 is: 97,560.80
Step by Step Solution
- Step 1: Write the proportion equation
124,408.08 : 171,683.73 = 70,695.99 : x - Step 2: Convert to fraction form
124,408.08/171,683.73 = 70,695.99/x - Step 3: Cross multiply
124,408.08x = 171,683.73 × 70,695.99 - Step 4: Simplify right side
124,408.08x = 12,137,351,259.24 - Step 5: Solve for x
x = 12,137,351,259.24/124,408.08 - Step 6: Final answer
x = 97,560.80
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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.