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Finding the Fourth Proportional to 163,750.84, 245,686.33 and 69,004.87

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Solution

The fourth proportional to 163,750.84, 245,686.33 and 69,004.87 is: 103,532.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,750.84 : 245,686.33 = 69,004.87 : x
  2. Step 2: Convert to fraction form
    163,750.84/245,686.33 = 69,004.87/x
  3. Step 3: Cross multiply
    163,750.84x = 245,686.33 × 69,004.87
  4. Step 4: Simplify right side
    163,750.84x = 16,953,553,262.43
  5. Step 5: Solve for x
    x = 16,953,553,262.43/163,750.84
  6. Step 6: Final answer
    x = 103,532.62

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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.