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Finding the Fourth Proportional to 180,458.28, 248,866.97 and 154,955.97

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Solution

The fourth proportional to 180,458.28, 248,866.97 and 154,955.97 is: 213,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,458.28 : 248,866.97 = 154,955.97 : x
  2. Step 2: Convert to fraction form
    180,458.28/248,866.97 = 154,955.97/x
  3. Step 3: Cross multiply
    180,458.28x = 248,866.97 × 154,955.97
  4. Step 4: Simplify right side
    180,458.28x = 38,563,421,962.53
  5. Step 5: Solve for x
    x = 38,563,421,962.53/180,458.28
  6. Step 6: Final answer
    x = 213,697.16

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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.