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Finding the Fourth Proportional to 186,001.78, 256,672.64 and 101,118.46

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Solution

The fourth proportional to 186,001.78, 256,672.64 and 101,118.46 is: 139,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,001.78 : 256,672.64 = 101,118.46 : x
  2. Step 2: Convert to fraction form
    186,001.78/256,672.64 = 101,118.46/x
  3. Step 3: Cross multiply
    186,001.78x = 256,672.64 × 101,118.46
  4. Step 4: Simplify right side
    186,001.78x = 25,954,342,080.93
  5. Step 5: Solve for x
    x = 25,954,342,080.93/186,001.78
  6. Step 6: Final answer
    x = 139,538.14

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1.5x scale

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.