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Finding the Fourth Proportional to 113,132.63, 169,698.81 and 28,892.87

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Solution

The fourth proportional to 113,132.63, 169,698.81 and 28,892.87 is: 43,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,132.63 : 169,698.81 = 28,892.87 : x
  2. Step 2: Convert to fraction form
    113,132.63/169,698.81 = 28,892.87/x
  3. Step 3: Cross multiply
    113,132.63x = 169,698.81 × 28,892.87
  4. Step 4: Simplify right side
    113,132.63x = 4,903,085,552.71
  5. Step 5: Solve for x
    x = 4,903,085,552.71/113,132.63
  6. Step 6: Final answer
    x = 43,339.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.