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Finding the Fourth Proportional to 248,565.47, 372,896.94 and 98,777.84

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Solution

The fourth proportional to 248,565.47, 372,896.94 and 98,777.84 is: 148,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,565.47 : 372,896.94 = 98,777.84 : x
  2. Step 2: Convert to fraction form
    248,565.47/372,896.94 = 98,777.84/x
  3. Step 3: Cross multiply
    248,565.47x = 372,896.94 × 98,777.84
  4. Step 4: Simplify right side
    248,565.47x = 36,833,954,275.81
  5. Step 5: Solve for x
    x = 36,833,954,275.81/248,565.47
  6. Step 6: Final answer
    x = 148,186.13

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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.