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Finding the Fourth Proportional to 186,159.84, 256,905.44 and 101,282.56

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Solution

The fourth proportional to 186,159.84, 256,905.44 and 101,282.56 is: 139,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,159.84 : 256,905.44 = 101,282.56 : x
  2. Step 2: Convert to fraction form
    186,159.84/256,905.44 = 101,282.56/x
  3. Step 3: Cross multiply
    186,159.84x = 256,905.44 × 101,282.56
  4. Step 4: Simplify right side
    186,159.84x = 26,020,040,641.13
  5. Step 5: Solve for x
    x = 26,020,040,641.13/186,159.84
  6. Step 6: Final answer
    x = 139,772.58

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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.