Finding the Fourth Proportional to 138,484.68, 207,638.24 and 58,501
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Solution
The fourth proportional to 138,484.68, 207,638.24 and 58,501 is: 87,714.00
Step by Step Solution
- Step 1: Write the proportion equation
138,484.68 : 207,638.24 = 58,501 : x - Step 2: Convert to fraction form
138,484.68/207,638.24 = 58,501/x - Step 3: Cross multiply
138,484.68x = 207,638.24 × 58,501 - Step 4: Simplify right side
138,484.68x = 12,147,044,678.24 - Step 5: Solve for x
x = 12,147,044,678.24/138,484.68 - Step 6: Final answer
x = 87,714.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.