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Finding the Fourth Proportional to 201,348.80, 302,023.20 and 61,114.40

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Solution

The fourth proportional to 201,348.80, 302,023.20 and 61,114.40 is: 91,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,348.80 : 302,023.20 = 61,114.40 : x
  2. Step 2: Convert to fraction form
    201,348.80/302,023.20 = 61,114.40/x
  3. Step 3: Cross multiply
    201,348.80x = 302,023.20 × 61,114.40
  4. Step 4: Simplify right side
    201,348.80x = 18,457,966,654.08
  5. Step 5: Solve for x
    x = 18,457,966,654.08/201,348.80
  6. Step 6: Final answer
    x = 91,671.60

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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.