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Finding the Fourth Proportional to 272,741.40, 409,282.44 and 104,275.92

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Solution

The fourth proportional to 272,741.40, 409,282.44 and 104,275.92 is: 156,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,741.40 : 409,282.44 = 104,275.92 : x
  2. Step 2: Convert to fraction form
    272,741.40/409,282.44 = 104,275.92/x
  3. Step 3: Cross multiply
    272,741.40x = 409,282.44 × 104,275.92
  4. Step 4: Simplify right side
    272,741.40x = 42,678,302,970.84
  5. Step 5: Solve for x
    x = 42,678,302,970.84/272,741.40
  6. Step 6: Final answer
    x = 156,479.01

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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.