Finding the Fourth Proportional to 107,430.47, 148,256.69 and 59,032.00
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Solution
The fourth proportional to 107,430.47, 148,256.69 and 59,032.00 is: 81,465.61
Step by Step Solution
- Step 1: Write the proportion equation
107,430.47 : 148,256.69 = 59,032.00 : x - Step 2: Convert to fraction form
107,430.47/148,256.69 = 59,032.00/x - Step 3: Cross multiply
107,430.47x = 148,256.69 × 59,032.00 - Step 4: Simplify right side
107,430.47x = 8,751,888,814.24 - Step 5: Solve for x
x = 8,751,888,814.24/107,430.47 - Step 6: Final answer
x = 81,465.61
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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.