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Finding the Fourth Proportional to 262,169.60, 393,177.60 and 93,670.40

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Solution

The fourth proportional to 262,169.60, 393,177.60 and 93,670.40 is: 140,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,169.60 : 393,177.60 = 93,670.40 : x
  2. Step 2: Convert to fraction form
    262,169.60/393,177.60 = 93,670.40/x
  3. Step 3: Cross multiply
    262,169.60x = 393,177.60 × 93,670.40
  4. Step 4: Simplify right side
    262,169.60x = 36,829,103,063.04
  5. Step 5: Solve for x
    x = 36,829,103,063.04/262,169.60
  6. Step 6: Final answer
    x = 140,478.16

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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.