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Finding the Fourth Proportional to 79,275.32, 118,931.28 and 26,683.52

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Solution

The fourth proportional to 79,275.32, 118,931.28 and 26,683.52 is: 40,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,275.32 : 118,931.28 = 26,683.52 : x
  2. Step 2: Convert to fraction form
    79,275.32/118,931.28 = 26,683.52/x
  3. Step 3: Cross multiply
    79,275.32x = 118,931.28 × 26,683.52
  4. Step 4: Simplify right side
    79,275.32x = 3,173,505,188.51
  5. Step 5: Solve for x
    x = 3,173,505,188.51/79,275.32
  6. Step 6: Final answer
    x = 40,031.44

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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.