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Finding the Fourth Proportional to 273,188.60, 409,549.18 and 104,829.74

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Solution

The fourth proportional to 273,188.60, 409,549.18 and 104,829.74 is: 157,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,188.60 : 409,549.18 = 104,829.74 : x
  2. Step 2: Convert to fraction form
    273,188.60/409,549.18 = 104,829.74/x
  3. Step 3: Cross multiply
    273,188.60x = 409,549.18 × 104,829.74
  4. Step 4: Simplify right side
    273,188.60x = 42,932,934,056.61
  5. Step 5: Solve for x
    x = 42,932,934,056.61/273,188.60
  6. Step 6: Final answer
    x = 157,154.93

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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.