Finding the Fourth Proportional to 74,174,246.10, 102,242,489.49 and 58,467,802.59
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Solution
The fourth proportional to 74,174,246.10, 102,242,489.49 and 58,467,802.59 is: 80,592,577.70
Step by Step Solution
- Step 1: Write the proportion equation
74,174,246.10 : 102,242,489.49 = 58,467,802.59 : x - Step 2: Convert to fraction form
74,174,246.10/102,242,489.49 = 58,467,802.59/x - Step 3: Cross multiply
74,174,246.10x = 102,242,489.49 × 58,467,802.59 - Step 4: Simplify right side
74,174,246.10x = 5,977,893,691,811,470 - Step 5: Solve for x
x = 5,977,893,691,811,470/74,174,246.10 - Step 6: Final answer
x = 80,592,577.70
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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.