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Finding the Fourth Proportional to 366,549.90, 549,652.26 and 142,015.47

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Solution

The fourth proportional to 366,549.90, 549,652.26 and 142,015.47 is: 212,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,549.90 : 549,652.26 = 142,015.47 : x
  2. Step 2: Convert to fraction form
    366,549.90/549,652.26 = 142,015.47/x
  3. Step 3: Cross multiply
    366,549.90x = 549,652.26 × 142,015.47
  4. Step 4: Simplify right side
    366,549.90x = 78,059,124,040.46
  5. Step 5: Solve for x
    x = 78,059,124,040.46/366,549.90
  6. Step 6: Final answer
    x = 212,956.34

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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.