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Finding the Fourth Proportional to 66,752.30, 100,017.88 and 46,934.03

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Solution

The fourth proportional to 66,752.30, 100,017.88 and 46,934.03 is: 70,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,752.30 : 100,017.88 = 46,934.03 : x
  2. Step 2: Convert to fraction form
    66,752.30/100,017.88 = 46,934.03/x
  3. Step 3: Cross multiply
    66,752.30x = 100,017.88 × 46,934.03
  4. Step 4: Simplify right side
    66,752.30x = 4,694,242,180.46
  5. Step 5: Solve for x
    x = 4,694,242,180.46/66,752.30
  6. Step 6: Final answer
    x = 70,323.30

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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.