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Finding the Fourth Proportional to 183,749.40, 275,624.10 and 160,421.40

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Solution

The fourth proportional to 183,749.40, 275,624.10 and 160,421.40 is: 240,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,749.40 : 275,624.10 = 160,421.40 : x
  2. Step 2: Convert to fraction form
    183,749.40/275,624.10 = 160,421.40/x
  3. Step 3: Cross multiply
    183,749.40x = 275,624.10 × 160,421.40
  4. Step 4: Simplify right side
    183,749.40x = 44,216,003,995.74
  5. Step 5: Solve for x
    x = 44,216,003,995.74/183,749.40
  6. Step 6: Final answer
    x = 240,632.10

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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.