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Finding the Fourth Proportional to 153,254.16, 229,871.70 and 73,348.88

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Solution

The fourth proportional to 153,254.16, 229,871.70 and 73,348.88 is: 110,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,254.16 : 229,871.70 = 73,348.88 : x
  2. Step 2: Convert to fraction form
    153,254.16/229,871.70 = 73,348.88/x
  3. Step 3: Cross multiply
    153,254.16x = 229,871.70 × 73,348.88
  4. Step 4: Simplify right side
    153,254.16x = 16,860,831,738.70
  5. Step 5: Solve for x
    x = 16,860,831,738.70/153,254.16
  6. Step 6: Final answer
    x = 110,018.75

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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.