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Finding the Fourth Proportional to 177,358.38, 265,347.45 and 162,465.72

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Solution

The fourth proportional to 177,358.38, 265,347.45 and 162,465.72 is: 243,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,358.38 : 265,347.45 = 162,465.72 : x
  2. Step 2: Convert to fraction form
    177,358.38/265,347.45 = 162,465.72/x
  3. Step 3: Cross multiply
    177,358.38x = 265,347.45 × 162,465.72
  4. Step 4: Simplify right side
    177,358.38x = 43,109,864,514.41
  5. Step 5: Solve for x
    x = 43,109,864,514.41/177,358.38
  6. Step 6: Final answer
    x = 243,066.41

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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.