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Finding the Fourth Proportional to 162,670.46, 243,581.28 and 130,907.03

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Solution

The fourth proportional to 162,670.46, 243,581.28 and 130,907.03 is: 196,019.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,670.46 : 243,581.28 = 130,907.03 : x
  2. Step 2: Convert to fraction form
    162,670.46/243,581.28 = 130,907.03/x
  3. Step 3: Cross multiply
    162,670.46x = 243,581.28 × 130,907.03
  4. Step 4: Simplify right side
    162,670.46x = 31,886,500,710.49
  5. Step 5: Solve for x
    x = 31,886,500,710.49/162,670.46
  6. Step 6: Final answer
    x = 196,019.00

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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.