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Finding the Fourth Proportional to 157,607.34, 236,422.53 and 45,283.02

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Solution

The fourth proportional to 157,607.34, 236,422.53 and 45,283.02 is: 67,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,607.34 : 236,422.53 = 45,283.02 : x
  2. Step 2: Convert to fraction form
    157,607.34/236,422.53 = 45,283.02/x
  3. Step 3: Cross multiply
    157,607.34x = 236,422.53 × 45,283.02
  4. Step 4: Simplify right side
    157,607.34x = 10,705,926,154.44
  5. Step 5: Solve for x
    x = 10,705,926,154.44/157,607.34
  6. Step 6: Final answer
    x = 67,927.84

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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.