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Finding the Fourth Proportional to 292,597.92, 438,732.72 and 92,881.08

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Solution

The fourth proportional to 292,597.92, 438,732.72 and 92,881.08 is: 139,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,597.92 : 438,732.72 = 92,881.08 : x
  2. Step 2: Convert to fraction form
    292,597.92/438,732.72 = 92,881.08/x
  3. Step 3: Cross multiply
    292,597.92x = 438,732.72 × 92,881.08
  4. Step 4: Simplify right side
    292,597.92x = 40,749,968,864.94
  5. Step 5: Solve for x
    x = 40,749,968,864.94/292,597.92
  6. Step 6: Final answer
    x = 139,269.51

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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.