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Finding the Fourth Proportional to 157,466.10, 236,199.15 and 155,254.80

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Solution

The fourth proportional to 157,466.10, 236,199.15 and 155,254.80 is: 232,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,466.10 : 236,199.15 = 155,254.80 : x
  2. Step 2: Convert to fraction form
    157,466.10/236,199.15 = 155,254.80/x
  3. Step 3: Cross multiply
    157,466.10x = 236,199.15 × 155,254.80
  4. Step 4: Simplify right side
    157,466.10x = 36,671,051,793.42
  5. Step 5: Solve for x
    x = 36,671,051,793.42/157,466.10
  6. Step 6: Final answer
    x = 232,882.20

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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.