Finding the Fourth Proportional to 124,432.21, 186,681.24 and 65,251.99
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Solution
The fourth proportional to 124,432.21, 186,681.24 and 65,251.99 is: 97,895.25
Step by Step Solution
- Step 1: Write the proportion equation
124,432.21 : 186,681.24 = 65,251.99 : x - Step 2: Convert to fraction form
124,432.21/186,681.24 = 65,251.99/x - Step 3: Cross multiply
124,432.21x = 186,681.24 × 65,251.99 - Step 4: Simplify right side
124,432.21x = 12,181,322,405.67 - Step 5: Solve for x
x = 12,181,322,405.67/124,432.21 - Step 6: Final answer
x = 97,895.25
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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.