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Finding the Fourth Proportional to 158,466, 218,683.08 and 94,806.48

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Solution

The fourth proportional to 158,466, 218,683.08 and 94,806.48 is: 130,832.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,466 : 218,683.08 = 94,806.48 : x
  2. Step 2: Convert to fraction form
    158,466/218,683.08 = 94,806.48/x
  3. Step 3: Cross multiply
    158,466x = 218,683.08 × 94,806.48
  4. Step 4: Simplify right side
    158,466x = 20,732,573,050.36
  5. Step 5: Solve for x
    x = 20,732,573,050.36/158,466
  6. Step 6: Final answer
    x = 130,832.94

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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.