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Finding the Fourth Proportional to 176,089.77, 264,124.94 and 128,753.37

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Solution

The fourth proportional to 176,089.77, 264,124.94 and 128,753.37 is: 193,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,089.77 : 264,124.94 = 128,753.37 : x
  2. Step 2: Convert to fraction form
    176,089.77/264,124.94 = 128,753.37/x
  3. Step 3: Cross multiply
    176,089.77x = 264,124.94 × 128,753.37
  4. Step 4: Simplify right side
    176,089.77x = 34,006,975,482.28
  5. Step 5: Solve for x
    x = 34,006,975,482.28/176,089.77
  6. Step 6: Final answer
    x = 193,122.95

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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.