Finding the Fourth Proportional to 124,655.70, 186,983.55 and 124,655.70
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Solution
The fourth proportional to 124,655.70, 186,983.55 and 124,655.70 is: 186,983.55
Step by Step Solution
- Step 1: Write the proportion equation
124,655.70 : 186,983.55 = 124,655.70 : x - Step 2: Convert to fraction form
124,655.70/186,983.55 = 124,655.70/x - Step 3: Cross multiply
124,655.70x = 186,983.55 × 124,655.70 - Step 4: Simplify right side
124,655.70x = 23,308,565,313.74 - Step 5: Solve for x
x = 23,308,565,313.74/124,655.70 - Step 6: Final answer
x = 186,983.55
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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.