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Finding the Fourth Proportional to 61,918.65, 92,877.98 and 58,763.23

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Solution

The fourth proportional to 61,918.65, 92,877.98 and 58,763.23 is: 88,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,918.65 : 92,877.98 = 58,763.23 : x
  2. Step 2: Convert to fraction form
    61,918.65/92,877.98 = 58,763.23/x
  3. Step 3: Cross multiply
    61,918.65x = 92,877.98 × 58,763.23
  4. Step 4: Simplify right side
    61,918.65x = 5,457,809,574.66
  5. Step 5: Solve for x
    x = 5,457,809,574.66/61,918.65
  6. Step 6: Final answer
    x = 88,144.84

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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.