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Finding the Fourth Proportional to 74,693.00, 103,075.01 and 40,701.72

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Solution

The fourth proportional to 74,693.00, 103,075.01 and 40,701.72 is: 56,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,693.00 : 103,075.01 = 40,701.72 : x
  2. Step 2: Convert to fraction form
    74,693.00/103,075.01 = 40,701.72/x
  3. Step 3: Cross multiply
    74,693.00x = 103,075.01 × 40,701.72
  4. Step 4: Simplify right side
    74,693.00x = 4,195,329,992.51
  5. Step 5: Solve for x
    x = 4,195,329,992.51/74,693.00
  6. Step 6: Final answer
    x = 56,167.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.