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Finding the Fourth Proportional to 73,074.99, 109,390.53 and 46,798.20

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Solution

The fourth proportional to 73,074.99, 109,390.53 and 46,798.20 is: 70,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,074.99 : 109,390.53 = 46,798.20 : x
  2. Step 2: Convert to fraction form
    73,074.99/109,390.53 = 46,798.20/x
  3. Step 3: Cross multiply
    73,074.99x = 109,390.53 × 46,798.20
  4. Step 4: Simplify right side
    73,074.99x = 5,119,279,901.05
  5. Step 5: Solve for x
    x = 5,119,279,901.05/73,074.99
  6. Step 6: Final answer
    x = 70,055.16

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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.