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Finding the Fourth Proportional to 348,555.68, 522,901.60 and 111,880.16

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Solution

The fourth proportional to 348,555.68, 522,901.60 and 111,880.16 is: 167,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,555.68 : 522,901.60 = 111,880.16 : x
  2. Step 2: Convert to fraction form
    348,555.68/522,901.60 = 111,880.16/x
  3. Step 3: Cross multiply
    348,555.68x = 522,901.60 × 111,880.16
  4. Step 4: Simplify right side
    348,555.68x = 58,502,314,672.26
  5. Step 5: Solve for x
    x = 58,502,314,672.26/348,555.68
  6. Step 6: Final answer
    x = 167,842.09

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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.