Finding the Fourth Proportional to 242,967.74, 364,562.36 and 124,722.18
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Solution
The fourth proportional to 242,967.74, 364,562.36 and 124,722.18 is: 187,140.12
Step by Step Solution
- Step 1: Write the proportion equation
242,967.74 : 364,562.36 = 124,722.18 : x - Step 2: Convert to fraction form
242,967.74/364,562.36 = 124,722.18/x - Step 3: Cross multiply
242,967.74x = 364,562.36 × 124,722.18 - Step 4: Simplify right side
242,967.74x = 45,469,011,661.53 - Step 5: Solve for x
x = 45,469,011,661.53/242,967.74 - Step 6: Final answer
x = 187,140.12
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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.