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Finding the Fourth Proportional to 162,811.40, 244,274.70 and 157,051.40

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Solution

The fourth proportional to 162,811.40, 244,274.70 and 157,051.40 is: 235,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,811.40 : 244,274.70 = 157,051.40 : x
  2. Step 2: Convert to fraction form
    162,811.40/244,274.70 = 157,051.40/x
  3. Step 3: Cross multiply
    162,811.40x = 244,274.70 × 157,051.40
  4. Step 4: Simplify right side
    162,811.40x = 38,363,683,619.58
  5. Step 5: Solve for x
    x = 38,363,683,619.58/162,811.40
  6. Step 6: Final answer
    x = 235,632.66

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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.