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Finding the Fourth Proportional to 184,055.76, 253,990.40 and 103,487.90

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Solution

The fourth proportional to 184,055.76, 253,990.40 and 103,487.90 is: 142,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,055.76 : 253,990.40 = 103,487.90 : x
  2. Step 2: Convert to fraction form
    184,055.76/253,990.40 = 103,487.90/x
  3. Step 3: Cross multiply
    184,055.76x = 253,990.40 × 103,487.90
  4. Step 4: Simplify right side
    184,055.76x = 26,284,931,328.77
  5. Step 5: Solve for x
    x = 26,284,931,328.77/184,055.76
  6. Step 6: Final answer
    x = 142,809.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.