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Finding the Fourth Proportional to 169,156, 233,435.28 and 93,709.36

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Solution

The fourth proportional to 169,156, 233,435.28 and 93,709.36 is: 129,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,156 : 233,435.28 = 93,709.36 : x
  2. Step 2: Convert to fraction form
    169,156/233,435.28 = 93,709.36/x
  3. Step 3: Cross multiply
    169,156x = 233,435.28 × 93,709.36
  4. Step 4: Simplify right side
    169,156x = 21,875,070,690.22
  5. Step 5: Solve for x
    x = 21,875,070,690.22/169,156
  6. Step 6: Final answer
    x = 129,318.92

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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.