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Finding the Fourth Proportional to 162,965.40, 244,448.10 and 156,404.40

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Solution

The fourth proportional to 162,965.40, 244,448.10 and 156,404.40 is: 234,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,965.40 : 244,448.10 = 156,404.40 : x
  2. Step 2: Convert to fraction form
    162,965.40/244,448.10 = 156,404.40/x
  3. Step 3: Cross multiply
    162,965.40x = 244,448.10 × 156,404.40
  4. Step 4: Simplify right side
    162,965.40x = 38,232,758,411.64
  5. Step 5: Solve for x
    x = 38,232,758,411.64/162,965.40
  6. Step 6: Final answer
    x = 234,606.60

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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.