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Finding the Fourth Proportional to 155,841.70, 233,774.70 and 67,098.10

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Solution

The fourth proportional to 155,841.70, 233,774.70 and 67,098.10 is: 100,652.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,841.70 : 233,774.70 = 67,098.10 : x
  2. Step 2: Convert to fraction form
    155,841.70/233,774.70 = 67,098.10/x
  3. Step 3: Cross multiply
    155,841.70x = 233,774.70 × 67,098.10
  4. Step 4: Simplify right side
    155,841.70x = 15,685,838,198.07
  5. Step 5: Solve for x
    x = 15,685,838,198.07/155,841.70
  6. Step 6: Final answer
    x = 100,652.38

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1.5x scale

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.