Finding the Fourth Proportional to 114,346.47, 157,803.99 and 69,023.88
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Solution
The fourth proportional to 114,346.47, 157,803.99 and 69,023.88 is: 95,256.49
Step by Step Solution
- Step 1: Write the proportion equation
114,346.47 : 157,803.99 = 69,023.88 : x - Step 2: Convert to fraction form
114,346.47/157,803.99 = 69,023.88/x - Step 3: Cross multiply
114,346.47x = 157,803.99 × 69,023.88 - Step 4: Simplify right side
114,346.47x = 10,892,243,669.28 - Step 5: Solve for x
x = 10,892,243,669.28/114,346.47 - Step 6: Final answer
x = 95,256.49
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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.