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Finding the Fourth Proportional to 100,188.34, 150,358.65 and 37,068.15

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Solution

The fourth proportional to 100,188.34, 150,358.65 and 37,068.15 is: 55,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,188.34 : 150,358.65 = 37,068.15 : x
  2. Step 2: Convert to fraction form
    100,188.34/150,358.65 = 37,068.15/x
  3. Step 3: Cross multiply
    100,188.34x = 150,358.65 × 37,068.15
  4. Step 4: Simplify right side
    100,188.34x = 5,573,516,992.00
  5. Step 5: Solve for x
    x = 5,573,516,992.00/100,188.34
  6. Step 6: Final answer
    x = 55,630.40

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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.