Finding the Fourth Proportional to 175,666.74, 242,330.61 and 106,737.63
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Solution
The fourth proportional to 175,666.74, 242,330.61 and 106,737.63 is: 147,243.55
Step by Step Solution
- Step 1: Write the proportion equation
175,666.74 : 242,330.61 = 106,737.63 : x - Step 2: Convert to fraction form
175,666.74/242,330.61 = 106,737.63/x - Step 3: Cross multiply
175,666.74x = 242,330.61 × 106,737.63 - Step 4: Simplify right side
175,666.74x = 25,865,794,987.85 - Step 5: Solve for x
x = 25,865,794,987.85/175,666.74 - Step 6: Final answer
x = 147,243.55
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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.