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Finding the Fourth Proportional to 84,598.84, 126,955.68 and 45,184.24

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Solution

The fourth proportional to 84,598.84, 126,955.68 and 45,184.24 is: 67,807.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,598.84 : 126,955.68 = 45,184.24 : x
  2. Step 2: Convert to fraction form
    84,598.84/126,955.68 = 45,184.24/x
  3. Step 3: Cross multiply
    84,598.84x = 126,955.68 × 45,184.24
  4. Step 4: Simplify right side
    84,598.84x = 5,736,395,914.48
  5. Step 5: Solve for x
    x = 5,736,395,914.48/84,598.84
  6. Step 6: Final answer
    x = 67,807.03

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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.