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Finding the Fourth Proportional to 180,920.93, 249,507.45 and 112,944.18

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Solution

The fourth proportional to 180,920.93, 249,507.45 and 112,944.18 is: 155,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,920.93 : 249,507.45 = 112,944.18 : x
  2. Step 2: Convert to fraction form
    180,920.93/249,507.45 = 112,944.18/x
  3. Step 3: Cross multiply
    180,920.93x = 249,507.45 × 112,944.18
  4. Step 4: Simplify right side
    180,920.93x = 28,180,414,344.14
  5. Step 5: Solve for x
    x = 28,180,414,344.14/180,920.93
  6. Step 6: Final answer
    x = 155,760.94

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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.