Finding the Fourth Proportional to 73,756,564.80, 103,057,636.80 and 73,756,564.80
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Solution
The fourth proportional to 73,756,564.80, 103,057,636.80 and 73,756,564.80 is: 103,057,636.80
Step by Step Solution
- Step 1: Write the proportion equation
73,756,564.80 : 103,057,636.80 = 73,756,564.80 : x - Step 2: Convert to fraction form
73,756,564.80/103,057,636.80 = 73,756,564.80/x - Step 3: Cross multiply
73,756,564.80x = 103,057,636.80 × 73,756,564.80 - Step 4: Simplify right side
73,756,564.80x = 7,601,177,266,774,064 - Step 5: Solve for x
x = 7,601,177,266,774,064/73,756,564.80 - Step 6: Final answer
x = 103,057,636.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.