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Finding the Fourth Proportional to 162,538.30, 243,807.45 and 134,890.30

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Solution

The fourth proportional to 162,538.30, 243,807.45 and 134,890.30 is: 202,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,538.30 : 243,807.45 = 134,890.30 : x
  2. Step 2: Convert to fraction form
    162,538.30/243,807.45 = 134,890.30/x
  3. Step 3: Cross multiply
    162,538.30x = 243,807.45 × 134,890.30
  4. Step 4: Simplify right side
    162,538.30x = 32,887,260,072.74
  5. Step 5: Solve for x
    x = 32,887,260,072.74/162,538.30
  6. Step 6: Final answer
    x = 202,335.45

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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.