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Finding the Fourth Proportional to 100,659.04, 151,004.94 and 37,479.40

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Solution

The fourth proportional to 100,659.04, 151,004.94 and 37,479.40 is: 56,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,659.04 : 151,004.94 = 37,479.40 : x
  2. Step 2: Convert to fraction form
    100,659.04/151,004.94 = 37,479.40/x
  3. Step 3: Cross multiply
    100,659.04x = 151,004.94 × 37,479.40
  4. Step 4: Simplify right side
    100,659.04x = 5,659,574,548.24
  5. Step 5: Solve for x
    x = 5,659,574,548.24/100,659.04
  6. Step 6: Final answer
    x = 56,225.20

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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.