Finding the Fourth Proportional to 97,203.17, 134,143.20 and 56,913.17
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Solution
The fourth proportional to 97,203.17, 134,143.20 and 56,913.17 is: 78,541.82
Step by Step Solution
- Step 1: Write the proportion equation
97,203.17 : 134,143.20 = 56,913.17 : x - Step 2: Convert to fraction form
97,203.17/134,143.20 = 56,913.17/x - Step 3: Cross multiply
97,203.17x = 134,143.20 × 56,913.17 - Step 4: Simplify right side
97,203.17x = 7,634,514,075.23 - Step 5: Solve for x
x = 7,634,514,075.23/97,203.17 - Step 6: Final answer
x = 78,541.82
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1.5x scale
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.