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Finding the Fourth Proportional to 88,678.30, 133,055.85 and 41,907.10

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Solution

The fourth proportional to 88,678.30, 133,055.85 and 41,907.10 is: 62,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678.30 : 133,055.85 = 41,907.10 : x
  2. Step 2: Convert to fraction form
    88,678.30/133,055.85 = 41,907.10/x
  3. Step 3: Cross multiply
    88,678.30x = 133,055.85 × 41,907.10
  4. Step 4: Simplify right side
    88,678.30x = 5,575,984,811.54
  5. Step 5: Solve for x
    x = 5,575,984,811.54/88,678.30
  6. Step 6: Final answer
    x = 62,878.80

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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.