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Finding the Fourth Proportional to 248,707,904.80, 372,390,010.80 and 194,960,192.80

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Solution

The fourth proportional to 248,707,904.80, 372,390,010.80 and 194,960,192.80 is: 291,913,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,707,904.80 : 372,390,010.80 = 194,960,192.80 : x
  2. Step 2: Convert to fraction form
    248,707,904.80/372,390,010.80 = 194,960,192.80/x
  3. Step 3: Cross multiply
    248,707,904.80x = 372,390,010.80 × 194,960,192.80
  4. Step 4: Simplify right side
    248,707,904.80x = 72,601,228,302,362,096
  5. Step 5: Solve for x
    x = 72,601,228,302,362,096/248,707,904.80
  6. Step 6: Final answer
    x = 291,913,634.03

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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.