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Finding the Fourth Proportional to 242,443.71, 362,652.75 and 170,391.58

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Solution

The fourth proportional to 242,443.71, 362,652.75 and 170,391.58 is: 254,875.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,443.71 : 362,652.75 = 170,391.58 : x
  2. Step 2: Convert to fraction form
    242,443.71/362,652.75 = 170,391.58/x
  3. Step 3: Cross multiply
    242,443.71x = 362,652.75 × 170,391.58
  4. Step 4: Simplify right side
    242,443.71x = 61,792,975,063.85
  5. Step 5: Solve for x
    x = 61,792,975,063.85/242,443.71
  6. Step 6: Final answer
    x = 254,875.55

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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.