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Finding the Fourth Proportional to 98,334.30, 135,700.83 and 55,901.04

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Solution

The fourth proportional to 98,334.30, 135,700.83 and 55,901.04 is: 77,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,334.30 : 135,700.83 = 55,901.04 : x
  2. Step 2: Convert to fraction form
    98,334.30/135,700.83 = 55,901.04/x
  3. Step 3: Cross multiply
    98,334.30x = 135,700.83 × 55,901.04
  4. Step 4: Simplify right side
    98,334.30x = 7,585,817,525.86
  5. Step 5: Solve for x
    x = 7,585,817,525.86/98,334.30
  6. Step 6: Final answer
    x = 77,143.15

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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.