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Finding the Fourth Proportional to 185,980.42, 256,654.47 and 101,097.28

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Solution

The fourth proportional to 185,980.42, 256,654.47 and 101,097.28 is: 139,515.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,980.42 : 256,654.47 = 101,097.28 : x
  2. Step 2: Convert to fraction form
    185,980.42/256,654.47 = 101,097.28/x
  3. Step 3: Cross multiply
    185,980.42x = 256,654.47 × 101,097.28
  4. Step 4: Simplify right side
    185,980.42x = 25,947,068,816.84
  5. Step 5: Solve for x
    x = 25,947,068,816.84/185,980.42
  6. Step 6: Final answer
    x = 139,515.06

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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.