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Finding the Fourth Proportional to 176,706, 243,854.28 and 97,218

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Solution

The fourth proportional to 176,706, 243,854.28 and 97,218 is: 134,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,706 : 243,854.28 = 97,218 : x
  2. Step 2: Convert to fraction form
    176,706/243,854.28 = 97,218/x
  3. Step 3: Cross multiply
    176,706x = 243,854.28 × 97,218
  4. Step 4: Simplify right side
    176,706x = 23,707,025,393.04
  5. Step 5: Solve for x
    x = 23,707,025,393.04/176,706
  6. Step 6: Final answer
    x = 134,160.84

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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.