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Finding the Fourth Proportional to 368,073, 552,078.72 and 101,836.80

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Solution

The fourth proportional to 368,073, 552,078.72 and 101,836.80 is: 152,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,073 : 552,078.72 = 101,836.80 : x
  2. Step 2: Convert to fraction form
    368,073/552,078.72 = 101,836.80/x
  3. Step 3: Cross multiply
    368,073x = 552,078.72 × 101,836.80
  4. Step 4: Simplify right side
    368,073x = 56,221,930,192.90
  5. Step 5: Solve for x
    x = 56,221,930,192.90/368,073
  6. Step 6: Final answer
    x = 152,746.68

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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.