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Finding the Fourth Proportional to 242,861.90, 364,397.52 and 130,410.60

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Solution

The fourth proportional to 242,861.90, 364,397.52 and 130,410.60 is: 195,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,861.90 : 364,397.52 = 130,410.60 : x
  2. Step 2: Convert to fraction form
    242,861.90/364,397.52 = 130,410.60/x
  3. Step 3: Cross multiply
    242,861.90x = 364,397.52 × 130,410.60
  4. Step 4: Simplify right side
    242,861.90x = 47,521,299,221.71
  5. Step 5: Solve for x
    x = 47,521,299,221.71/242,861.90
  6. Step 6: Final answer
    x = 195,672.11

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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.