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Finding the Fourth Proportional to 164,532.96, 245,395.68 and 161,689.84

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Solution

The fourth proportional to 164,532.96, 245,395.68 and 161,689.84 is: 241,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,532.96 : 245,395.68 = 161,689.84 : x
  2. Step 2: Convert to fraction form
    164,532.96/245,395.68 = 161,689.84/x
  3. Step 3: Cross multiply
    164,532.96x = 245,395.68 × 161,689.84
  4. Step 4: Simplify right side
    164,532.96x = 39,677,988,235.89
  5. Step 5: Solve for x
    x = 39,677,988,235.89/164,532.96
  6. Step 6: Final answer
    x = 241,155.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.