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Finding the Fourth Proportional to 180,494.56, 249,108.56 and 103,999.01

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Solution

The fourth proportional to 180,494.56, 249,108.56 and 103,999.01 is: 143,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,494.56 : 249,108.56 = 103,999.01 : x
  2. Step 2: Convert to fraction form
    180,494.56/249,108.56 = 103,999.01/x
  3. Step 3: Cross multiply
    180,494.56x = 249,108.56 × 103,999.01
  4. Step 4: Simplify right side
    180,494.56x = 25,907,042,246.98
  5. Step 5: Solve for x
    x = 25,907,042,246.98/180,494.56
  6. Step 6: Final answer
    x = 143,533.64

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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.