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Finding the Fourth Proportional to 243,064.95, 335,448.73 and 134,190.92

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Solution

The fourth proportional to 243,064.95, 335,448.73 and 134,190.92 is: 185,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,064.95 : 335,448.73 = 134,190.92 : x
  2. Step 2: Convert to fraction form
    243,064.95/335,448.73 = 134,190.92/x
  3. Step 3: Cross multiply
    243,064.95x = 335,448.73 × 134,190.92
  4. Step 4: Simplify right side
    243,064.95x = 45,014,174,697.89
  5. Step 5: Solve for x
    x = 45,014,174,697.89/243,064.95
  6. Step 6: Final answer
    x = 185,194.02

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1.5x scale

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.