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Finding the Fourth Proportional to 262,015.58, 393,106.45 and 93,532.30

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Solution

The fourth proportional to 262,015.58, 393,106.45 and 93,532.30 is: 140,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,015.58 : 393,106.45 = 93,532.30 : x
  2. Step 2: Convert to fraction form
    262,015.58/393,106.45 = 93,532.30/x
  3. Step 3: Cross multiply
    262,015.58x = 393,106.45 × 93,532.30
  4. Step 4: Simplify right side
    262,015.58x = 36,768,149,196.74
  5. Step 5: Solve for x
    x = 36,768,149,196.74/262,015.58
  6. Step 6: Final answer
    x = 140,328.10

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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.