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Finding the Fourth Proportional to 186,653.52, 257,585.92 and 101,770.92

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Solution

The fourth proportional to 186,653.52, 257,585.92 and 101,770.92 is: 140,446.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,653.52 : 257,585.92 = 101,770.92 : x
  2. Step 2: Convert to fraction form
    186,653.52/257,585.92 = 101,770.92/x
  3. Step 3: Cross multiply
    186,653.52x = 257,585.92 × 101,770.92
  4. Step 4: Simplify right side
    186,653.52x = 26,214,756,057.45
  5. Step 5: Solve for x
    x = 26,214,756,057.45/186,653.52
  6. Step 6: Final answer
    x = 140,446.08

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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.