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Finding the Fourth Proportional to 354,803.31, 532,289.70 and 118,148.04

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Solution

The fourth proportional to 354,803.31, 532,289.70 and 118,148.04 is: 177,250.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,803.31 : 532,289.70 = 118,148.04 : x
  2. Step 2: Convert to fraction form
    354,803.31/532,289.70 = 118,148.04/x
  3. Step 3: Cross multiply
    354,803.31x = 532,289.70 × 118,148.04
  4. Step 4: Simplify right side
    354,803.31x = 62,888,984,767.19
  5. Step 5: Solve for x
    x = 62,888,984,767.19/354,803.31
  6. Step 6: Final answer
    x = 177,250.28

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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.