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Finding the Fourth Proportional to 134,995.20, 202,492.80 and 65,011.20

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Solution

The fourth proportional to 134,995.20, 202,492.80 and 65,011.20 is: 97,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,995.20 : 202,492.80 = 65,011.20 : x
  2. Step 2: Convert to fraction form
    134,995.20/202,492.80 = 65,011.20/x
  3. Step 3: Cross multiply
    134,995.20x = 202,492.80 × 65,011.20
  4. Step 4: Simplify right side
    134,995.20x = 13,164,299,919.36
  5. Step 5: Solve for x
    x = 13,164,299,919.36/134,995.20
  6. Step 6: Final answer
    x = 97,516.80

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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.