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Finding the Fourth Proportional to 176,981.31, 265,331.63 and 92,725.32

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Solution

The fourth proportional to 176,981.31, 265,331.63 and 92,725.32 is: 139,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,981.31 : 265,331.63 = 92,725.32 : x
  2. Step 2: Convert to fraction form
    176,981.31/265,331.63 = 92,725.32/x
  3. Step 3: Cross multiply
    176,981.31x = 265,331.63 × 92,725.32
  4. Step 4: Simplify right side
    176,981.31x = 24,602,960,297.87
  5. Step 5: Solve for x
    x = 24,602,960,297.87/176,981.31
  6. Step 6: Final answer
    x = 139,014.45

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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.