Finding the Fourth Proportional to 122,804,103.92, 169,484,524.13 and 69,893,676.66
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Solution
The fourth proportional to 122,804,103.92, 169,484,524.13 and 69,893,676.66 is: 96,461,731.74
Step by Step Solution
- Step 1: Write the proportion equation
122,804,103.92 : 169,484,524.13 = 69,893,676.66 : x - Step 2: Convert to fraction form
122,804,103.92/169,484,524.13 = 69,893,676.66/x - Step 3: Cross multiply
122,804,103.92x = 169,484,524.13 × 69,893,676.66 - Step 4: Simplify right side
122,804,103.92x = 11,845,896,528,066,718 - Step 5: Solve for x
x = 11,845,896,528,066,718/122,804,103.92 - Step 6: Final answer
x = 96,461,731.74
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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.