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Finding the Fourth Proportional to 148,918.60, 223,419.60 and 60,234.40

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Solution

The fourth proportional to 148,918.60, 223,419.60 and 60,234.40 is: 90,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,918.60 : 223,419.60 = 60,234.40 : x
  2. Step 2: Convert to fraction form
    148,918.60/223,419.60 = 60,234.40/x
  3. Step 3: Cross multiply
    148,918.60x = 223,419.60 × 60,234.40
  4. Step 4: Simplify right side
    148,918.60x = 13,457,545,554.24
  5. Step 5: Solve for x
    x = 13,457,545,554.24/148,918.60
  6. Step 6: Final answer
    x = 90,368.47

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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.