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Finding the Fourth Proportional to 113,871.60, 170,911.05 and 60,608.29

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Solution

The fourth proportional to 113,871.60, 170,911.05 and 60,608.29 is: 90,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,871.60 : 170,911.05 = 60,608.29 : x
  2. Step 2: Convert to fraction form
    113,871.60/170,911.05 = 60,608.29/x
  3. Step 3: Cross multiply
    113,871.60x = 170,911.05 × 60,608.29
  4. Step 4: Simplify right side
    113,871.60x = 10,358,626,482.60
  5. Step 5: Solve for x
    x = 10,358,626,482.60/113,871.60
  6. Step 6: Final answer
    x = 90,967.60

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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.