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Finding the Fourth Proportional to 250,032, 345,047.40 and 136,852.32

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Solution

The fourth proportional to 250,032, 345,047.40 and 136,852.32 is: 188,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,032 : 345,047.40 = 136,852.32 : x
  2. Step 2: Convert to fraction form
    250,032/345,047.40 = 136,852.32/x
  3. Step 3: Cross multiply
    250,032x = 345,047.40 × 136,852.32
  4. Step 4: Simplify right side
    250,032x = 47,220,537,199.97
  5. Step 5: Solve for x
    x = 47,220,537,199.97/250,032
  6. Step 6: Final answer
    x = 188,857.97

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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.