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Finding the Fourth Proportional to 74,063.30, 110,918.32 and 47,325.26

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Solution

The fourth proportional to 74,063.30, 110,918.32 and 47,325.26 is: 70,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,063.30 : 110,918.32 = 47,325.26 : x
  2. Step 2: Convert to fraction form
    74,063.30/110,918.32 = 47,325.26/x
  3. Step 3: Cross multiply
    74,063.30x = 110,918.32 × 47,325.26
  4. Step 4: Simplify right side
    74,063.30x = 5,249,238,332.76
  5. Step 5: Solve for x
    x = 5,249,238,332.76/74,063.30
  6. Step 6: Final answer
    x = 70,875.03

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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.