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Finding the Fourth Proportional to 162,096.48, 223,710 and 90,501.12

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Solution

The fourth proportional to 162,096.48, 223,710 and 90,501.12 is: 124,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,096.48 : 223,710 = 90,501.12 : x
  2. Step 2: Convert to fraction form
    162,096.48/223,710 = 90,501.12/x
  3. Step 3: Cross multiply
    162,096.48x = 223,710 × 90,501.12
  4. Step 4: Simplify right side
    162,096.48x = 20,246,005,555.20
  5. Step 5: Solve for x
    x = 20,246,005,555.20/162,096.48
  6. Step 6: Final answer
    x = 124,900.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.