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Finding the Fourth Proportional to 201,496.60, 302,439.30 and 101,769.40

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Solution

The fourth proportional to 201,496.60, 302,439.30 and 101,769.40 is: 152,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,496.60 : 302,439.30 = 101,769.40 : x
  2. Step 2: Convert to fraction form
    201,496.60/302,439.30 = 101,769.40/x
  3. Step 3: Cross multiply
    201,496.60x = 302,439.30 × 101,769.40
  4. Step 4: Simplify right side
    201,496.60x = 30,779,066,097.42
  5. Step 5: Solve for x
    x = 30,779,066,097.42/201,496.60
  6. Step 6: Final answer
    x = 152,752.29

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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.