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Finding the Fourth Proportional to 124,086.01, 186,149.79 and 97,430.94

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Solution

The fourth proportional to 124,086.01, 186,149.79 and 97,430.94 is: 146,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,086.01 : 186,149.79 = 97,430.94 : x
  2. Step 2: Convert to fraction form
    124,086.01/186,149.79 = 97,430.94/x
  3. Step 3: Cross multiply
    124,086.01x = 186,149.79 × 97,430.94
  4. Step 4: Simplify right side
    124,086.01x = 18,136,749,020.50
  5. Step 5: Solve for x
    x = 18,136,749,020.50/124,086.01
  6. Step 6: Final answer
    x = 146,162.72

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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.