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Finding the Fourth Proportional to 243,491.60, 365,064.60 and 110,435.60

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Solution

The fourth proportional to 243,491.60, 365,064.60 and 110,435.60 is: 165,575.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,491.60 : 365,064.60 = 110,435.60 : x
  2. Step 2: Convert to fraction form
    243,491.60/365,064.60 = 110,435.60/x
  3. Step 3: Cross multiply
    243,491.60x = 365,064.60 × 110,435.60
  4. Step 4: Simplify right side
    243,491.60x = 40,316,128,139.76
  5. Step 5: Solve for x
    x = 40,316,128,139.76/243,491.60
  6. Step 6: Final answer
    x = 165,575.03

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1.5x scale

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.