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Finding the Fourth Proportional to 292,341.56, 438,527.81 and 92,677.52

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Solution

The fourth proportional to 292,341.56, 438,527.81 and 92,677.52 is: 139,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,341.56 : 438,527.81 = 92,677.52 : x
  2. Step 2: Convert to fraction form
    292,341.56/438,527.81 = 92,677.52/x
  3. Step 3: Cross multiply
    292,341.56x = 438,527.81 × 92,677.52
  4. Step 4: Simplify right side
    292,341.56x = 40,641,667,920.89
  5. Step 5: Solve for x
    x = 40,641,667,920.89/292,341.56
  6. Step 6: Final answer
    x = 139,021.18

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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.