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Finding the Fourth Proportional to 169,749.84, 254,637.72 and 51,430.98

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Solution

The fourth proportional to 169,749.84, 254,637.72 and 51,430.98 is: 77,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,749.84 : 254,637.72 = 51,430.98 : x
  2. Step 2: Convert to fraction form
    169,749.84/254,637.72 = 51,430.98/x
  3. Step 3: Cross multiply
    169,749.84x = 254,637.72 × 51,430.98
  4. Step 4: Simplify right side
    169,749.84x = 13,096,267,484.57
  5. Step 5: Solve for x
    x = 13,096,267,484.57/169,749.84
  6. Step 6: Final answer
    x = 77,150.40

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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.