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Finding the Fourth Proportional to 93,084.51, 138,573.89 and 92,530.92

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Solution

The fourth proportional to 93,084.51, 138,573.89 and 92,530.92 is: 137,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,084.51 : 138,573.89 = 92,530.92 : x
  2. Step 2: Convert to fraction form
    93,084.51/138,573.89 = 92,530.92/x
  3. Step 3: Cross multiply
    93,084.51x = 138,573.89 × 92,530.92
  4. Step 4: Simplify right side
    93,084.51x = 12,822,369,529.68
  5. Step 5: Solve for x
    x = 12,822,369,529.68/93,084.51
  6. Step 6: Final answer
    x = 137,749.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.