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Finding the Fourth Proportional to 78,201.35, 117,459.11 and 46,673.01

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Solution

The fourth proportional to 78,201.35, 117,459.11 and 46,673.01 is: 70,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,201.35 : 117,459.11 = 46,673.01 : x
  2. Step 2: Convert to fraction form
    78,201.35/117,459.11 = 46,673.01/x
  3. Step 3: Cross multiply
    78,201.35x = 117,459.11 × 46,673.01
  4. Step 4: Simplify right side
    78,201.35x = 5,482,170,332.30
  5. Step 5: Solve for x
    x = 5,482,170,332.30/78,201.35
  6. Step 6: Final answer
    x = 70,103.27

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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.