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Finding the Fourth Proportional to 162,835.40, 244,281.90 and 57,715.40

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Solution

The fourth proportional to 162,835.40, 244,281.90 and 57,715.40 is: 86,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,835.40 : 244,281.90 = 57,715.40 : x
  2. Step 2: Convert to fraction form
    162,835.40/244,281.90 = 57,715.40/x
  3. Step 3: Cross multiply
    162,835.40x = 244,281.90 × 57,715.40
  4. Step 4: Simplify right side
    162,835.40x = 14,098,827,571.26
  5. Step 5: Solve for x
    x = 14,098,827,571.26/162,835.40
  6. Step 6: Final answer
    x = 86,583.31

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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.