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Finding the Fourth Proportional to 153,808.67, 230,748.88 and 52,607.50

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Solution

The fourth proportional to 153,808.67, 230,748.88 and 52,607.50 is: 78,923.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,808.67 : 230,748.88 = 52,607.50 : x
  2. Step 2: Convert to fraction form
    153,808.67/230,748.88 = 52,607.50/x
  3. Step 3: Cross multiply
    153,808.67x = 230,748.88 × 52,607.50
  4. Step 4: Simplify right side
    153,808.67x = 12,139,121,441.56
  5. Step 5: Solve for x
    x = 12,139,121,441.56/153,808.67
  6. Step 6: Final answer
    x = 78,923.52

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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.