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Finding the Fourth Proportional to 225,307.92, 310,903.86 and 134,645.88

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Solution

The fourth proportional to 225,307.92, 310,903.86 and 134,645.88 is: 185,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,307.92 : 310,903.86 = 134,645.88 : x
  2. Step 2: Convert to fraction form
    225,307.92/310,903.86 = 134,645.88/x
  3. Step 3: Cross multiply
    225,307.92x = 310,903.86 × 134,645.88
  4. Step 4: Simplify right side
    225,307.92x = 41,861,923,825.10
  5. Step 5: Solve for x
    x = 41,861,923,825.10/225,307.92
  6. Step 6: Final answer
    x = 185,798.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.