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Finding the Fourth Proportional to 346,497.80, 519,702.90 and 109,842.80

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Solution

The fourth proportional to 346,497.80, 519,702.90 and 109,842.80 is: 164,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,497.80 : 519,702.90 = 109,842.80 : x
  2. Step 2: Convert to fraction form
    346,497.80/519,702.90 = 109,842.80/x
  3. Step 3: Cross multiply
    346,497.80x = 519,702.90 × 109,842.80
  4. Step 4: Simplify right side
    346,497.80x = 57,085,621,704.12
  5. Step 5: Solve for x
    x = 57,085,621,704.12/346,497.80
  6. Step 6: Final answer
    x = 164,750.32

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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.