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Finding the Fourth Proportional to 94,476.80, 130,387.24 and 70,562

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Solution

The fourth proportional to 94,476.80, 130,387.24 and 70,562 is: 97,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,476.80 : 130,387.24 = 70,562 : x
  2. Step 2: Convert to fraction form
    94,476.80/130,387.24 = 70,562/x
  3. Step 3: Cross multiply
    94,476.80x = 130,387.24 × 70,562
  4. Step 4: Simplify right side
    94,476.80x = 9,200,384,428.88
  5. Step 5: Solve for x
    x = 9,200,384,428.88/94,476.80
  6. Step 6: Final answer
    x = 97,382.47

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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.