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Finding the Fourth Proportional to 250,622.59, 375,783.76 and 79,770.51

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Solution

The fourth proportional to 250,622.59, 375,783.76 and 79,770.51 is: 119,607.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,622.59 : 375,783.76 = 79,770.51 : x
  2. Step 2: Convert to fraction form
    250,622.59/375,783.76 = 79,770.51/x
  3. Step 3: Cross multiply
    250,622.59x = 375,783.76 × 79,770.51
  4. Step 4: Simplify right side
    250,622.59x = 29,976,461,307.48
  5. Step 5: Solve for x
    x = 29,976,461,307.48/250,622.59
  6. Step 6: Final answer
    x = 119,607.98

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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.