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Finding the Fourth Proportional to 332,065.90, 498,001.65 and 118,809.10

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Solution

The fourth proportional to 332,065.90, 498,001.65 and 118,809.10 is: 178,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,065.90 : 498,001.65 = 118,809.10 : x
  2. Step 2: Convert to fraction form
    332,065.90/498,001.65 = 118,809.10/x
  3. Step 3: Cross multiply
    332,065.90x = 498,001.65 × 118,809.10
  4. Step 4: Simplify right side
    332,065.90x = 59,167,127,835.02
  5. Step 5: Solve for x
    x = 59,167,127,835.02/332,065.90
  6. Step 6: Final answer
    x = 178,178.87

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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.