Finding the Fourth Proportional to 176,036.99, 242,926.76 and 100,580.63
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Solution
The fourth proportional to 176,036.99, 242,926.76 and 100,580.63 is: 138,798.82
Step by Step Solution
- Step 1: Write the proportion equation
176,036.99 : 242,926.76 = 100,580.63 : x - Step 2: Convert to fraction form
176,036.99/242,926.76 = 100,580.63/x - Step 3: Cross multiply
176,036.99x = 242,926.76 × 100,580.63 - Step 4: Simplify right side
176,036.99x = 24,433,725,601.48 - Step 5: Solve for x
x = 24,433,725,601.48/176,036.99 - Step 6: Final answer
x = 138,798.82
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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.