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Finding the Fourth Proportional to 157,577.80, 235,929.30 and 153,203.80

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Solution

The fourth proportional to 157,577.80, 235,929.30 and 153,203.80 is: 229,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,577.80 : 235,929.30 = 153,203.80 : x
  2. Step 2: Convert to fraction form
    157,577.80/235,929.30 = 153,203.80/x
  3. Step 3: Cross multiply
    157,577.80x = 235,929.30 × 153,203.80
  4. Step 4: Simplify right side
    157,577.80x = 36,145,265,291.34
  5. Step 5: Solve for x
    x = 36,145,265,291.34/157,577.80
  6. Step 6: Final answer
    x = 229,380.44

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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.