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Finding the Fourth Proportional to 243,395.70, 364,984.20 and 93,586.20

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Solution

The fourth proportional to 243,395.70, 364,984.20 and 93,586.20 is: 140,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,395.70 : 364,984.20 = 93,586.20 : x
  2. Step 2: Convert to fraction form
    243,395.70/364,984.20 = 93,586.20/x
  3. Step 3: Cross multiply
    243,395.70x = 364,984.20 × 93,586.20
  4. Step 4: Simplify right side
    243,395.70x = 34,157,484,338.04
  5. Step 5: Solve for x
    x = 34,157,484,338.04/243,395.70
  6. Step 6: Final answer
    x = 140,337.25

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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.