Finding the Fourth Proportional to 106,663.30, 160,024.62 and 46,681.09
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Solution
The fourth proportional to 106,663.30, 160,024.62 and 46,681.09 is: 70,034.62
Step by Step Solution
- Step 1: Write the proportion equation
106,663.30 : 160,024.62 = 46,681.09 : x - Step 2: Convert to fraction form
106,663.30/160,024.62 = 46,681.09/x - Step 3: Cross multiply
106,663.30x = 160,024.62 × 46,681.09 - Step 4: Simplify right side
106,663.30x = 7,470,123,688.44 - Step 5: Solve for x
x = 7,470,123,688.44/106,663.30 - Step 6: Final answer
x = 70,034.62
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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.