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Finding the Fourth Proportional to 435,495.69, 653,243.27 and 136,001.93

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Solution

The fourth proportional to 435,495.69, 653,243.27 and 136,001.93 is: 204,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,495.69 : 653,243.27 = 136,001.93 : x
  2. Step 2: Convert to fraction form
    435,495.69/653,243.27 = 136,001.93/x
  3. Step 3: Cross multiply
    435,495.69x = 653,243.27 × 136,001.93
  4. Step 4: Simplify right side
    435,495.69x = 88,842,341,533.29
  5. Step 5: Solve for x
    x = 88,842,341,533.29/435,495.69
  6. Step 6: Final answer
    x = 204,002.80

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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.