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Finding the Fourth Proportional to 132,957.84, 183,485.27 and 72,529.50

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Solution

The fourth proportional to 132,957.84, 183,485.27 and 72,529.50 is: 100,092.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,957.84 : 183,485.27 = 72,529.50 : x
  2. Step 2: Convert to fraction form
    132,957.84/183,485.27 = 72,529.50/x
  3. Step 3: Cross multiply
    132,957.84x = 183,485.27 × 72,529.50
  4. Step 4: Simplify right side
    132,957.84x = 13,308,094,890.47
  5. Step 5: Solve for x
    x = 13,308,094,890.47/132,957.84
  6. Step 6: Final answer
    x = 100,092.59

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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.