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Finding the Fourth Proportional to 163,073.49, 225,066.02 and 99,448.19

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Solution

The fourth proportional to 163,073.49, 225,066.02 and 99,448.19 is: 137,253.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,073.49 : 225,066.02 = 99,448.19 : x
  2. Step 2: Convert to fraction form
    163,073.49/225,066.02 = 99,448.19/x
  3. Step 3: Cross multiply
    163,073.49x = 225,066.02 × 99,448.19
  4. Step 4: Simplify right side
    163,073.49x = 22,382,406,696.93
  5. Step 5: Solve for x
    x = 22,382,406,696.93/163,073.49
  6. Step 6: Final answer
    x = 137,253.50

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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.