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Finding the Fourth Proportional to 184,327.47, 276,490.95 and 57,978.81

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Solution

The fourth proportional to 184,327.47, 276,490.95 and 57,978.81 is: 86,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,327.47 : 276,490.95 = 57,978.81 : x
  2. Step 2: Convert to fraction form
    184,327.47/276,490.95 = 57,978.81/x
  3. Step 3: Cross multiply
    184,327.47x = 276,490.95 × 57,978.81
  4. Step 4: Simplify right side
    184,327.47x = 16,030,616,256.77
  5. Step 5: Solve for x
    x = 16,030,616,256.77/184,327.47
  6. Step 6: Final answer
    x = 86,968.13

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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.