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Finding the Fourth Proportional to 162,386.59, 243,580 and 44,057.92

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Solution

The fourth proportional to 162,386.59, 243,580 and 44,057.92 is: 66,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,386.59 : 243,580 = 44,057.92 : x
  2. Step 2: Convert to fraction form
    162,386.59/243,580 = 44,057.92/x
  3. Step 3: Cross multiply
    162,386.59x = 243,580 × 44,057.92
  4. Step 4: Simplify right side
    162,386.59x = 10,731,628,153.60
  5. Step 5: Solve for x
    x = 10,731,628,153.60/162,386.59
  6. Step 6: Final answer
    x = 66,086.91

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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.