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Finding the Fourth Proportional to 186,164.76, 256,908.49 and 101,282.43

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Solution

The fourth proportional to 186,164.76, 256,908.49 and 101,282.43 is: 139,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,164.76 : 256,908.49 = 101,282.43 : x
  2. Step 2: Convert to fraction form
    186,164.76/256,908.49 = 101,282.43/x
  3. Step 3: Cross multiply
    186,164.76x = 256,908.49 × 101,282.43
  4. Step 4: Simplify right side
    186,164.76x = 26,020,316,154.83
  5. Step 5: Solve for x
    x = 26,020,316,154.83/186,164.76
  6. Step 6: Final answer
    x = 139,770.36

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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.