Finding the Fourth Proportional to 117,547.74, 175,931.64 and 107,041.95
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Solution
The fourth proportional to 117,547.74, 175,931.64 and 107,041.95 is: 160,207.81
Step by Step Solution
- Step 1: Write the proportion equation
117,547.74 : 175,931.64 = 107,041.95 : x - Step 2: Convert to fraction form
117,547.74/175,931.64 = 107,041.95/x - Step 3: Cross multiply
117,547.74x = 175,931.64 × 107,041.95 - Step 4: Simplify right side
117,547.74x = 18,832,065,812.30 - Step 5: Solve for x
x = 18,832,065,812.30/117,547.74 - Step 6: Final answer
x = 160,207.81
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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.