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Finding the Fourth Proportional to 243,545.60, 365,145.60 and 110,489.60

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Solution

The fourth proportional to 243,545.60, 365,145.60 and 110,489.60 is: 165,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,545.60 : 365,145.60 = 110,489.60 : x
  2. Step 2: Convert to fraction form
    243,545.60/365,145.60 = 110,489.60/x
  3. Step 3: Cross multiply
    243,545.60x = 365,145.60 × 110,489.60
  4. Step 4: Simplify right side
    243,545.60x = 40,344,791,285.76
  5. Step 5: Solve for x
    x = 40,344,791,285.76/243,545.60
  6. Step 6: Final answer
    x = 165,656.01

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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.