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Finding the Fourth Proportional to 186,744.42, 257,703.12 and 101,864.52

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Solution

The fourth proportional to 186,744.42, 257,703.12 and 101,864.52 is: 140,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,744.42 : 257,703.12 = 101,864.52 : x
  2. Step 2: Convert to fraction form
    186,744.42/257,703.12 = 101,864.52/x
  3. Step 3: Cross multiply
    186,744.42x = 257,703.12 × 101,864.52
  4. Step 4: Simplify right side
    186,744.42x = 26,250,804,621.30
  5. Step 5: Solve for x
    x = 26,250,804,621.30/186,744.42
  6. Step 6: Final answer
    x = 140,570.76

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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.