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Finding the Fourth Proportional to 267,281.12, 368,745.19 and 152,566.13

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Solution

The fourth proportional to 267,281.12, 368,745.19 and 152,566.13 is: 210,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,281.12 : 368,745.19 = 152,566.13 : x
  2. Step 2: Convert to fraction form
    267,281.12/368,745.19 = 152,566.13/x
  3. Step 3: Cross multiply
    267,281.12x = 368,745.19 × 152,566.13
  4. Step 4: Simplify right side
    267,281.12x = 56,258,027,134.86
  5. Step 5: Solve for x
    x = 56,258,027,134.86/267,281.12
  6. Step 6: Final answer
    x = 210,482.61

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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.