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Finding the Fourth Proportional to 202,498.60, 303,602.10 and 113,779.30

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Solution

The fourth proportional to 202,498.60, 303,602.10 and 113,779.30 is: 170,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,498.60 : 303,602.10 = 113,779.30 : x
  2. Step 2: Convert to fraction form
    202,498.60/303,602.10 = 113,779.30/x
  3. Step 3: Cross multiply
    202,498.60x = 303,602.10 × 113,779.30
  4. Step 4: Simplify right side
    202,498.60x = 34,543,634,416.53
  5. Step 5: Solve for x
    x = 34,543,634,416.53/202,498.60
  6. Step 6: Final answer
    x = 170,587.03

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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.