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Finding the Fourth Proportional to 102,495.58, 153,790.80 and 39,294.58

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Solution

The fourth proportional to 102,495.58, 153,790.80 and 39,294.58 is: 58,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,495.58 : 153,790.80 = 39,294.58 : x
  2. Step 2: Convert to fraction form
    102,495.58/153,790.80 = 39,294.58/x
  3. Step 3: Cross multiply
    102,495.58x = 153,790.80 × 39,294.58
  4. Step 4: Simplify right side
    102,495.58x = 6,043,144,893.86
  5. Step 5: Solve for x
    x = 6,043,144,893.86/102,495.58
  6. Step 6: Final answer
    x = 58,960.05

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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.