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Finding the Fourth Proportional to 180,507.54, 249,098.70 and 103,998.54

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Solution

The fourth proportional to 180,507.54, 249,098.70 and 103,998.54 is: 143,517.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,507.54 : 249,098.70 = 103,998.54 : x
  2. Step 2: Convert to fraction form
    180,507.54/249,098.70 = 103,998.54/x
  3. Step 3: Cross multiply
    180,507.54x = 249,098.70 × 103,998.54
  4. Step 4: Simplify right side
    180,507.54x = 25,905,901,115.90
  5. Step 5: Solve for x
    x = 25,905,901,115.90/180,507.54
  6. Step 6: Final answer
    x = 143,517.00

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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.