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Finding the Fourth Proportional to 167,242,590.40, 250,863,885.60 and 132,805,213.60

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Solution

The fourth proportional to 167,242,590.40, 250,863,885.60 and 132,805,213.60 is: 199,207,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,242,590.40 : 250,863,885.60 = 132,805,213.60 : x
  2. Step 2: Convert to fraction form
    167,242,590.40/250,863,885.60 = 132,805,213.60/x
  3. Step 3: Cross multiply
    167,242,590.40x = 250,863,885.60 × 132,805,213.60
  4. Step 4: Simplify right side
    167,242,590.40x = 33,316,031,911,633,960
  5. Step 5: Solve for x
    x = 33,316,031,911,633,960/167,242,590.40
  6. Step 6: Final answer
    x = 199,207,820.40

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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.