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Finding the Fourth Proportional to 162,807.40, 244,502.70 and 118,484.20

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Solution

The fourth proportional to 162,807.40, 244,502.70 and 118,484.20 is: 177,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,807.40 : 244,502.70 = 118,484.20 : x
  2. Step 2: Convert to fraction form
    162,807.40/244,502.70 = 118,484.20/x
  3. Step 3: Cross multiply
    162,807.40x = 244,502.70 × 118,484.20
  4. Step 4: Simplify right side
    162,807.40x = 28,969,706,807.34
  5. Step 5: Solve for x
    x = 28,969,706,807.34/162,807.40
  6. Step 6: Final answer
    x = 177,938.51

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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.