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Finding the Fourth Proportional to 133,315.52, 183,662.70 and 92,955.92

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Solution

The fourth proportional to 133,315.52, 183,662.70 and 92,955.92 is: 128,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,315.52 : 183,662.70 = 92,955.92 : x
  2. Step 2: Convert to fraction form
    133,315.52/183,662.70 = 92,955.92/x
  3. Step 3: Cross multiply
    133,315.52x = 183,662.70 × 92,955.92
  4. Step 4: Simplify right side
    133,315.52x = 17,072,535,248.18
  5. Step 5: Solve for x
    x = 17,072,535,248.18/133,315.52
  6. Step 6: Final answer
    x = 128,061.12

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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.