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Finding the Fourth Proportional to 248,703.02, 343,210.61 and 135,525.77

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Solution

The fourth proportional to 248,703.02, 343,210.61 and 135,525.77 is: 187,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,703.02 : 343,210.61 = 135,525.77 : x
  2. Step 2: Convert to fraction form
    248,703.02/343,210.61 = 135,525.77/x
  3. Step 3: Cross multiply
    248,703.02x = 343,210.61 × 135,525.77
  4. Step 4: Simplify right side
    248,703.02x = 46,513,882,192.42
  5. Step 5: Solve for x
    x = 46,513,882,192.42/248,703.02
  6. Step 6: Final answer
    x = 187,025.80

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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.