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Finding the Fourth Proportional to 181,262.92, 249,947.81 and 113,255.05

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Solution

The fourth proportional to 181,262.92, 249,947.81 and 113,255.05 is: 156,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,262.92 : 249,947.81 = 113,255.05 : x
  2. Step 2: Convert to fraction form
    181,262.92/249,947.81 = 113,255.05/x
  3. Step 3: Cross multiply
    181,262.92x = 249,947.81 × 113,255.05
  4. Step 4: Simplify right side
    181,262.92x = 28,307,851,152.67
  5. Step 5: Solve for x
    x = 28,307,851,152.67/181,262.92
  6. Step 6: Final answer
    x = 156,170.12

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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.