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Finding the Fourth Proportional to 97,777.77, 134,933.38 and 53,065.77

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Solution

The fourth proportional to 97,777.77, 134,933.38 and 53,065.77 is: 73,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,777.77 : 134,933.38 = 53,065.77 : x
  2. Step 2: Convert to fraction form
    97,777.77/134,933.38 = 53,065.77/x
  3. Step 3: Cross multiply
    97,777.77x = 134,933.38 × 53,065.77
  4. Step 4: Simplify right side
    97,777.77x = 7,160,343,575.74
  5. Step 5: Solve for x
    x = 7,160,343,575.74/97,777.77
  6. Step 6: Final answer
    x = 73,230.79

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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.