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Finding the Fourth Proportional to 103,498.40, 155,247.60 and 37,013.60

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Solution

The fourth proportional to 103,498.40, 155,247.60 and 37,013.60 is: 55,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,498.40 : 155,247.60 = 37,013.60 : x
  2. Step 2: Convert to fraction form
    103,498.40/155,247.60 = 37,013.60/x
  3. Step 3: Cross multiply
    103,498.40x = 155,247.60 × 37,013.60
  4. Step 4: Simplify right side
    103,498.40x = 5,746,272,567.36
  5. Step 5: Solve for x
    x = 5,746,272,567.36/103,498.40
  6. Step 6: Final answer
    x = 55,520.40

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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.