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Finding the Fourth Proportional to 126,794.79, 190,210.74 and 38,055.30

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Solution

The fourth proportional to 126,794.79, 190,210.74 and 38,055.30 is: 57,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,794.79 : 190,210.74 = 38,055.30 : x
  2. Step 2: Convert to fraction form
    126,794.79/190,210.74 = 38,055.30/x
  3. Step 3: Cross multiply
    126,794.79x = 190,210.74 × 38,055.30
  4. Step 4: Simplify right side
    126,794.79x = 7,238,526,773.92
  5. Step 5: Solve for x
    x = 7,238,526,773.92/126,794.79
  6. Step 6: Final answer
    x = 57,088.52

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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.