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Finding the Fourth Proportional to 186,253.62, 257,030 and 101,371.30

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Solution

The fourth proportional to 186,253.62, 257,030 and 101,371.30 is: 139,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,253.62 : 257,030 = 101,371.30 : x
  2. Step 2: Convert to fraction form
    186,253.62/257,030 = 101,371.30/x
  3. Step 3: Cross multiply
    186,253.62x = 257,030 × 101,371.30
  4. Step 4: Simplify right side
    186,253.62x = 26,055,465,239
  5. Step 5: Solve for x
    x = 26,055,465,239/186,253.62
  6. Step 6: Final answer
    x = 139,892.40

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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.