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Finding the Fourth Proportional to 115,386.84, 173,080.17 and 32,280.84

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Solution

The fourth proportional to 115,386.84, 173,080.17 and 32,280.84 is: 48,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,386.84 : 173,080.17 = 32,280.84 : x
  2. Step 2: Convert to fraction form
    115,386.84/173,080.17 = 32,280.84/x
  3. Step 3: Cross multiply
    115,386.84x = 173,080.17 × 32,280.84
  4. Step 4: Simplify right side
    115,386.84x = 5,587,173,274.94
  5. Step 5: Solve for x
    x = 5,587,173,274.94/115,386.84
  6. Step 6: Final answer
    x = 48,421.23

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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.