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Finding the Fourth Proportional to 248,347.68, 342,727.22 and 152,909.44

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Solution

The fourth proportional to 248,347.68, 342,727.22 and 152,909.44 is: 211,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,347.68 : 342,727.22 = 152,909.44 : x
  2. Step 2: Convert to fraction form
    248,347.68/342,727.22 = 152,909.44/x
  3. Step 3: Cross multiply
    248,347.68x = 342,727.22 × 152,909.44
  4. Step 4: Simplify right side
    248,347.68x = 52,406,227,282.96
  5. Step 5: Solve for x
    x = 52,406,227,282.96/248,347.68
  6. Step 6: Final answer
    x = 211,019.60

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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.