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Finding the Fourth Proportional to 185,803.98, 278,779.77 and 59,463.60

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Solution

The fourth proportional to 185,803.98, 278,779.77 and 59,463.60 is: 89,219.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,803.98 : 278,779.77 = 59,463.60 : x
  2. Step 2: Convert to fraction form
    185,803.98/278,779.77 = 59,463.60/x
  3. Step 3: Cross multiply
    185,803.98x = 278,779.77 × 59,463.60
  4. Step 4: Simplify right side
    185,803.98x = 16,577,248,731.37
  5. Step 5: Solve for x
    x = 16,577,248,731.37/185,803.98
  6. Step 6: Final answer
    x = 89,219.02

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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.