Finding the Fourth Proportional to 166,177.62, 249,214.14 and 53,831.77
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Solution
The fourth proportional to 166,177.62, 249,214.14 and 53,831.77 is: 80,730.72
Step by Step Solution
- Step 1: Write the proportion equation
166,177.62 : 249,214.14 = 53,831.77 : x - Step 2: Convert to fraction form
166,177.62/249,214.14 = 53,831.77/x - Step 3: Cross multiply
166,177.62x = 249,214.14 × 53,831.77 - Step 4: Simplify right side
166,177.62x = 13,415,638,357.13 - Step 5: Solve for x
x = 13,415,638,357.13/166,177.62 - Step 6: Final answer
x = 80,730.72
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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.