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Finding the Fourth Proportional to 216,937.87, 325,475.93 and 172,735.63

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Solution

The fourth proportional to 216,937.87, 325,475.93 and 172,735.63 is: 259,158.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,937.87 : 325,475.93 = 172,735.63 : x
  2. Step 2: Convert to fraction form
    216,937.87/325,475.93 = 172,735.63/x
  3. Step 3: Cross multiply
    216,937.87x = 325,475.93 × 172,735.63
  4. Step 4: Simplify right side
    216,937.87x = 56,221,289,818.39
  5. Step 5: Solve for x
    x = 56,221,289,818.39/216,937.87
  6. Step 6: Final answer
    x = 259,158.49

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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.