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Finding the Fourth Proportional to 110,113.48, 165,148.35 and 53,929.45

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Solution

The fourth proportional to 110,113.48, 165,148.35 and 53,929.45 is: 80,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,113.48 : 165,148.35 = 53,929.45 : x
  2. Step 2: Convert to fraction form
    110,113.48/165,148.35 = 53,929.45/x
  3. Step 3: Cross multiply
    110,113.48x = 165,148.35 × 53,929.45
  4. Step 4: Simplify right side
    110,113.48x = 8,906,359,683.91
  5. Step 5: Solve for x
    x = 8,906,359,683.91/110,113.48
  6. Step 6: Final answer
    x = 80,883.46

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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.