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Finding the Fourth Proportional to 162,458.20, 243,341.70 and 134,810.20

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Solution

The fourth proportional to 162,458.20, 243,341.70 and 134,810.20 is: 201,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,458.20 : 243,341.70 = 134,810.20 : x
  2. Step 2: Convert to fraction form
    162,458.20/243,341.70 = 134,810.20/x
  3. Step 3: Cross multiply
    162,458.20x = 243,341.70 × 134,810.20
  4. Step 4: Simplify right side
    162,458.20x = 32,804,943,245.34
  5. Step 5: Solve for x
    x = 32,804,943,245.34/162,458.20
  6. Step 6: Final answer
    x = 201,928.52

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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.