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Finding the Fourth Proportional to 158,578.56, 219,110.40 and 152,902.08

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Solution

The fourth proportional to 158,578.56, 219,110.40 and 152,902.08 is: 211,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,578.56 : 219,110.40 = 152,902.08 : x
  2. Step 2: Convert to fraction form
    158,578.56/219,110.40 = 152,902.08/x
  3. Step 3: Cross multiply
    158,578.56x = 219,110.40 × 152,902.08
  4. Step 4: Simplify right side
    158,578.56x = 33,502,435,909.63
  5. Step 5: Solve for x
    x = 33,502,435,909.63/158,578.56
  6. Step 6: Final answer
    x = 211,267.12

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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.