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Finding the Fourth Proportional to 180,449.32, 249,082.32 and 103,998.96

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Solution

The fourth proportional to 180,449.32, 249,082.32 and 103,998.96 is: 143,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,449.32 : 249,082.32 = 103,998.96 : x
  2. Step 2: Convert to fraction form
    180,449.32/249,082.32 = 103,998.96/x
  3. Step 3: Cross multiply
    180,449.32x = 249,082.32 × 103,998.96
  4. Step 4: Simplify right side
    180,449.32x = 25,904,301,572.36
  5. Step 5: Solve for x
    x = 25,904,301,572.36/180,449.32
  6. Step 6: Final answer
    x = 143,554.44

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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.