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Finding the Fourth Proportional to 173,052.60, 238,829.31 and 105,053.82

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Solution

The fourth proportional to 173,052.60, 238,829.31 and 105,053.82 is: 144,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,052.60 : 238,829.31 = 105,053.82 : x
  2. Step 2: Convert to fraction form
    173,052.60/238,829.31 = 105,053.82/x
  3. Step 3: Cross multiply
    173,052.60x = 238,829.31 × 105,053.82
  4. Step 4: Simplify right side
    173,052.60x = 25,089,931,343.46
  5. Step 5: Solve for x
    x = 25,089,931,343.46/173,052.60
  6. Step 6: Final answer
    x = 144,984.42

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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.