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Finding the Fourth Proportional to 146,030.60, 219,045.90 and 99,374.60

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Solution

The fourth proportional to 146,030.60, 219,045.90 and 99,374.60 is: 149,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,030.60 : 219,045.90 = 99,374.60 : x
  2. Step 2: Convert to fraction form
    146,030.60/219,045.90 = 99,374.60/x
  3. Step 3: Cross multiply
    146,030.60x = 219,045.90 × 99,374.60
  4. Step 4: Simplify right side
    146,030.60x = 21,767,598,694.14
  5. Step 5: Solve for x
    x = 21,767,598,694.14/146,030.60
  6. Step 6: Final answer
    x = 149,061.90

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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.