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Finding the Fourth Proportional to 218,752.60, 301,873.08 and 126,888.12

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Solution

The fourth proportional to 218,752.60, 301,873.08 and 126,888.12 is: 175,102.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,752.60 : 301,873.08 = 126,888.12 : x
  2. Step 2: Convert to fraction form
    218,752.60/301,873.08 = 126,888.12/x
  3. Step 3: Cross multiply
    218,752.60x = 301,873.08 × 126,888.12
  4. Step 4: Simplify right side
    218,752.60x = 38,304,107,599.81
  5. Step 5: Solve for x
    x = 38,304,107,599.81/218,752.60
  6. Step 6: Final answer
    x = 175,102.41

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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.