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Finding the Fourth Proportional to 201,308.30, 301,962.45 and 134,953.10

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Solution

The fourth proportional to 201,308.30, 301,962.45 and 134,953.10 is: 202,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,308.30 : 301,962.45 = 134,953.10 : x
  2. Step 2: Convert to fraction form
    201,308.30/301,962.45 = 134,953.10/x
  3. Step 3: Cross multiply
    201,308.30x = 301,962.45 × 134,953.10
  4. Step 4: Simplify right side
    201,308.30x = 40,750,768,711.10
  5. Step 5: Solve for x
    x = 40,750,768,711.10/201,308.30
  6. Step 6: Final answer
    x = 202,429.65

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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.