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Finding the Fourth Proportional to 262,167.60, 393,174.60 and 93,668.40

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Solution

The fourth proportional to 262,167.60, 393,174.60 and 93,668.40 is: 140,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,167.60 : 393,174.60 = 93,668.40 : x
  2. Step 2: Convert to fraction form
    262,167.60/393,174.60 = 93,668.40/x
  3. Step 3: Cross multiply
    262,167.60x = 393,174.60 × 93,668.40
  4. Step 4: Simplify right side
    262,167.60x = 36,828,035,702.64
  5. Step 5: Solve for x
    x = 36,828,035,702.64/262,167.60
  6. Step 6: Final answer
    x = 140,475.16

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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.