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Finding the Fourth Proportional to 201,488.80, 301,887.60 and 96,080.80

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Solution

The fourth proportional to 201,488.80, 301,887.60 and 96,080.80 is: 143,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,488.80 : 301,887.60 = 96,080.80 : x
  2. Step 2: Convert to fraction form
    201,488.80/301,887.60 = 96,080.80/x
  3. Step 3: Cross multiply
    201,488.80x = 301,887.60 × 96,080.80
  4. Step 4: Simplify right side
    201,488.80x = 29,005,602,118.08
  5. Step 5: Solve for x
    x = 29,005,602,118.08/201,488.80
  6. Step 6: Final answer
    x = 143,956.40

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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.