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Finding the Fourth Proportional to 110,420.78, 165,657.58 and 35,547.92

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Solution

The fourth proportional to 110,420.78, 165,657.58 and 35,547.92 is: 53,330.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,420.78 : 165,657.58 = 35,547.92 : x
  2. Step 2: Convert to fraction form
    110,420.78/165,657.58 = 35,547.92/x
  3. Step 3: Cross multiply
    110,420.78x = 165,657.58 × 35,547.92
  4. Step 4: Simplify right side
    110,420.78x = 5,888,782,401.23
  5. Step 5: Solve for x
    x = 5,888,782,401.23/110,420.78
  6. Step 6: Final answer
    x = 53,330.38

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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.