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Finding the Fourth Proportional to 154,765.88, 232,420.98 and 152,549.72

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Solution

The fourth proportional to 154,765.88, 232,420.98 and 152,549.72 is: 229,092.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,765.88 : 232,420.98 = 152,549.72 : x
  2. Step 2: Convert to fraction form
    154,765.88/232,420.98 = 152,549.72/x
  3. Step 3: Cross multiply
    154,765.88x = 232,420.98 × 152,549.72
  4. Step 4: Simplify right side
    154,765.88x = 35,455,755,421.13
  5. Step 5: Solve for x
    x = 35,455,755,421.13/154,765.88
  6. Step 6: Final answer
    x = 229,092.84

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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.