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Finding the Fourth Proportional to 164,858.64, 247,637.64 and 155,260.56

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Solution

The fourth proportional to 164,858.64, 247,637.64 and 155,260.56 is: 233,220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,858.64 : 247,637.64 = 155,260.56 : x
  2. Step 2: Convert to fraction form
    164,858.64/247,637.64 = 155,260.56/x
  3. Step 3: Cross multiply
    164,858.64x = 247,637.64 × 155,260.56
  4. Step 4: Simplify right side
    164,858.64x = 38,448,358,663.48
  5. Step 5: Solve for x
    x = 38,448,358,663.48/164,858.64
  6. Step 6: Final answer
    x = 233,220.16

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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.