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Finding the Fourth Proportional to 66,067,668.80, 99,101,503.20 and 17,553,010.40

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Solution

The fourth proportional to 66,067,668.80, 99,101,503.20 and 17,553,010.40 is: 26,329,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,067,668.80 : 99,101,503.20 = 17,553,010.40 : x
  2. Step 2: Convert to fraction form
    66,067,668.80/99,101,503.20 = 17,553,010.40/x
  3. Step 3: Cross multiply
    66,067,668.80x = 99,101,503.20 × 17,553,010.40
  4. Step 4: Simplify right side
    66,067,668.80x = 1,739,529,716,325,233.25
  5. Step 5: Solve for x
    x = 1,739,529,716,325,233.25/66,067,668.80
  6. Step 6: Final answer
    x = 26,329,515.60

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1.5x scale

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.