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Finding the Fourth Proportional to 134,243.20, 201,134.40 and 63,971.20

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Solution

The fourth proportional to 134,243.20, 201,134.40 and 63,971.20 is: 95,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,243.20 : 201,134.40 = 63,971.20 : x
  2. Step 2: Convert to fraction form
    134,243.20/201,134.40 = 63,971.20/x
  3. Step 3: Cross multiply
    134,243.20x = 201,134.40 × 63,971.20
  4. Step 4: Simplify right side
    134,243.20x = 12,866,808,929.28
  5. Step 5: Solve for x
    x = 12,866,808,929.28/134,243.20
  6. Step 6: Final answer
    x = 95,847.01

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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.