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Finding the Fourth Proportional to 186,580.47, 257,480.44 and 101,697.54

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Solution

The fourth proportional to 186,580.47, 257,480.44 and 101,697.54 is: 140,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,580.47 : 257,480.44 = 101,697.54 : x
  2. Step 2: Convert to fraction form
    186,580.47/257,480.44 = 101,697.54/x
  3. Step 3: Cross multiply
    186,580.47x = 257,480.44 × 101,697.54
  4. Step 4: Simplify right side
    186,580.47x = 26,185,127,346.12
  5. Step 5: Solve for x
    x = 26,185,127,346.12/186,580.47
  6. Step 6: Final answer
    x = 140,342.27

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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.