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Finding the Fourth Proportional to 231,841.80, 347,762.70 and 98,726.40

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Solution

The fourth proportional to 231,841.80, 347,762.70 and 98,726.40 is: 148,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,841.80 : 347,762.70 = 98,726.40 : x
  2. Step 2: Convert to fraction form
    231,841.80/347,762.70 = 98,726.40/x
  3. Step 3: Cross multiply
    231,841.80x = 347,762.70 × 98,726.40
  4. Step 4: Simplify right side
    231,841.80x = 34,333,359,425.28
  5. Step 5: Solve for x
    x = 34,333,359,425.28/231,841.80
  6. Step 6: Final answer
    x = 148,089.60

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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.