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Finding the Fourth Proportional to 163,636.70, 245,526.12 and 88,809.71

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Solution

The fourth proportional to 163,636.70, 245,526.12 and 88,809.71 is: 133,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,636.70 : 245,526.12 = 88,809.71 : x
  2. Step 2: Convert to fraction form
    163,636.70/245,526.12 = 88,809.71/x
  3. Step 3: Cross multiply
    163,636.70x = 245,526.12 × 88,809.71
  4. Step 4: Simplify right side
    163,636.70x = 21,805,102,286.99
  5. Step 5: Solve for x
    x = 21,805,102,286.99/163,636.70
  6. Step 6: Final answer
    x = 133,253.13

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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.