Finding the Fourth Proportional to 169,625,717.70, 254,438,576.55 and 115,878,005.70
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Solution
The fourth proportional to 169,625,717.70, 254,438,576.55 and 115,878,005.70 is: 173,817,008.55
Step by Step Solution
- Step 1: Write the proportion equation
169,625,717.70 : 254,438,576.55 = 115,878,005.70 : x - Step 2: Convert to fraction form
169,625,717.70/254,438,576.55 = 115,878,005.70/x - Step 3: Cross multiply
169,625,717.70x = 254,438,576.55 × 115,878,005.70 - Step 4: Simplify right side
169,625,717.70x = 29,483,834,823,760,788 - Step 5: Solve for x
x = 29,483,834,823,760,788/169,625,717.70 - Step 6: Final answer
x = 173,817,008.55
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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.