Finding the Fourth Proportional to 124,021.10, 185,703.60 and 97,558.40
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Solution
The fourth proportional to 124,021.10, 185,703.60 and 97,558.40 is: 146,079.55
Step by Step Solution
- Step 1: Write the proportion equation
124,021.10 : 185,703.60 = 97,558.40 : x - Step 2: Convert to fraction form
124,021.10/185,703.60 = 97,558.40/x - Step 3: Cross multiply
124,021.10x = 185,703.60 × 97,558.40 - Step 4: Simplify right side
124,021.10x = 18,116,946,090.24 - Step 5: Solve for x
x = 18,116,946,090.24/124,021.10 - Step 6: Final answer
x = 146,079.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.