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Finding the Fourth Proportional to 185,955.54, 256,621.56 and 101,072.82

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Solution

The fourth proportional to 185,955.54, 256,621.56 and 101,072.82 is: 139,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,955.54 : 256,621.56 = 101,072.82 : x
  2. Step 2: Convert to fraction form
    185,955.54/256,621.56 = 101,072.82/x
  3. Step 3: Cross multiply
    185,955.54x = 256,621.56 × 101,072.82
  4. Step 4: Simplify right side
    185,955.54x = 25,937,464,742.00
  5. Step 5: Solve for x
    x = 25,937,464,742.00/185,955.54
  6. Step 6: Final answer
    x = 139,482.08

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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.