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Finding the Fourth Proportional to 202,962.30, 304,462.65 and 55,218.30

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Solution

The fourth proportional to 202,962.30, 304,462.65 and 55,218.30 is: 82,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,962.30 : 304,462.65 = 55,218.30 : x
  2. Step 2: Convert to fraction form
    202,962.30/304,462.65 = 55,218.30/x
  3. Step 3: Cross multiply
    202,962.30x = 304,462.65 × 55,218.30
  4. Step 4: Simplify right side
    202,962.30x = 16,811,909,946.50
  5. Step 5: Solve for x
    x = 16,811,909,946.50/202,962.30
  6. Step 6: Final answer
    x = 82,832.67

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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.