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Finding the Fourth Proportional to 184,602.18, 254,751.12 and 99,719.28

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Solution

The fourth proportional to 184,602.18, 254,751.12 and 99,719.28 is: 137,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,602.18 : 254,751.12 = 99,719.28 : x
  2. Step 2: Convert to fraction form
    184,602.18/254,751.12 = 99,719.28/x
  3. Step 3: Cross multiply
    184,602.18x = 254,751.12 × 99,719.28
  4. Step 4: Simplify right side
    184,602.18x = 25,403,598,265.59
  5. Step 5: Solve for x
    x = 25,403,598,265.59/184,602.18
  6. Step 6: Final answer
    x = 137,612.67

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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.