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Finding the Fourth Proportional to 295,136.70, 442,705.05 and 73,520.70

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Solution

The fourth proportional to 295,136.70, 442,705.05 and 73,520.70 is: 110,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,136.70 : 442,705.05 = 73,520.70 : x
  2. Step 2: Convert to fraction form
    295,136.70/442,705.05 = 73,520.70/x
  3. Step 3: Cross multiply
    295,136.70x = 442,705.05 × 73,520.70
  4. Step 4: Simplify right side
    295,136.70x = 32,547,985,169.54
  5. Step 5: Solve for x
    x = 32,547,985,169.54/295,136.70
  6. Step 6: Final answer
    x = 110,281.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.