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Finding the Fourth Proportional to 186,242.42, 257,019.90 and 101,364.86

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Solution

The fourth proportional to 186,242.42, 257,019.90 and 101,364.86 is: 139,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,242.42 : 257,019.90 = 101,364.86 : x
  2. Step 2: Convert to fraction form
    186,242.42/257,019.90 = 101,364.86/x
  3. Step 3: Cross multiply
    186,242.42x = 257,019.90 × 101,364.86
  4. Step 4: Simplify right side
    186,242.42x = 26,052,786,180.71
  5. Step 5: Solve for x
    x = 26,052,786,180.71/186,242.42
  6. Step 6: Final answer
    x = 139,886.42

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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.