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Finding the Fourth Proportional to 186,302.09, 257,096.15 and 104,619.01

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Solution

The fourth proportional to 186,302.09, 257,096.15 and 104,619.01 is: 144,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,302.09 : 257,096.15 = 104,619.01 : x
  2. Step 2: Convert to fraction form
    186,302.09/257,096.15 = 104,619.01/x
  3. Step 3: Cross multiply
    186,302.09x = 257,096.15 × 104,619.01
  4. Step 4: Simplify right side
    186,302.09x = 26,897,143,402.33
  5. Step 5: Solve for x
    x = 26,897,143,402.33/186,302.09
  6. Step 6: Final answer
    x = 144,373.81

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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.