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Finding the Fourth Proportional to 252,801, 348,865.38 and 139,631.04

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Solution

The fourth proportional to 252,801, 348,865.38 and 139,631.04 is: 192,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,801 : 348,865.38 = 139,631.04 : x
  2. Step 2: Convert to fraction form
    252,801/348,865.38 = 139,631.04/x
  3. Step 3: Cross multiply
    252,801x = 348,865.38 × 139,631.04
  4. Step 4: Simplify right side
    252,801x = 48,712,435,829.40
  5. Step 5: Solve for x
    x = 48,712,435,829.40/252,801
  6. Step 6: Final answer
    x = 192,690.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.