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Finding the Fourth Proportional to 218,900.84, 302,082.57 and 118,298.84

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Solution

The fourth proportional to 218,900.84, 302,082.57 and 118,298.84 is: 163,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,900.84 : 302,082.57 = 118,298.84 : x
  2. Step 2: Convert to fraction form
    218,900.84/302,082.57 = 118,298.84/x
  3. Step 3: Cross multiply
    218,900.84x = 302,082.57 × 118,298.84
  4. Step 4: Simplify right side
    218,900.84x = 35,736,016,104.81
  5. Step 5: Solve for x
    x = 35,736,016,104.81/218,900.84
  6. Step 6: Final answer
    x = 163,252.08

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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.