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Finding the Fourth Proportional to 242,586.70, 363,880.05 and 142,794.70

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Solution

The fourth proportional to 242,586.70, 363,880.05 and 142,794.70 is: 214,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,586.70 : 363,880.05 = 142,794.70 : x
  2. Step 2: Convert to fraction form
    242,586.70/363,880.05 = 142,794.70/x
  3. Step 3: Cross multiply
    242,586.70x = 363,880.05 × 142,794.70
  4. Step 4: Simplify right side
    242,586.70x = 51,960,142,575.74
  5. Step 5: Solve for x
    x = 51,960,142,575.74/242,586.70
  6. Step 6: Final answer
    x = 214,192.05

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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.