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Finding the Fourth Proportional to 159,136.41, 238,698.48 and 53,955.39

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Solution

The fourth proportional to 159,136.41, 238,698.48 and 53,955.39 is: 80,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,136.41 : 238,698.48 = 53,955.39 : x
  2. Step 2: Convert to fraction form
    159,136.41/238,698.48 = 53,955.39/x
  3. Step 3: Cross multiply
    159,136.41x = 238,698.48 × 53,955.39
  4. Step 4: Simplify right side
    159,136.41x = 12,879,069,580.81
  5. Step 5: Solve for x
    x = 12,879,069,580.81/159,136.41
  6. Step 6: Final answer
    x = 80,931.00

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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.