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Finding the Fourth Proportional to 162,668.42, 224,439.84 and 93,741.01

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Solution

The fourth proportional to 162,668.42, 224,439.84 and 93,741.01 is: 129,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,668.42 : 224,439.84 = 93,741.01 : x
  2. Step 2: Convert to fraction form
    162,668.42/224,439.84 = 93,741.01/x
  3. Step 3: Cross multiply
    162,668.42x = 224,439.84 × 93,741.01
  4. Step 4: Simplify right side
    162,668.42x = 21,039,216,724.74
  5. Step 5: Solve for x
    x = 21,039,216,724.74/162,668.42
  6. Step 6: Final answer
    x = 129,338.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.