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Finding the Fourth Proportional to 186,554.76, 257,452.52 and 105,995.94

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Solution

The fourth proportional to 186,554.76, 257,452.52 and 105,995.94 is: 146,278.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,554.76 : 257,452.52 = 105,995.94 : x
  2. Step 2: Convert to fraction form
    186,554.76/257,452.52 = 105,995.94/x
  3. Step 3: Cross multiply
    186,554.76x = 257,452.52 × 105,995.94
  4. Step 4: Simplify right side
    186,554.76x = 27,288,921,332.79
  5. Step 5: Solve for x
    x = 27,288,921,332.79/186,554.76
  6. Step 6: Final answer
    x = 146,278.34

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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.