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Finding the Fourth Proportional to 153,999.70, 230,999.55 and 104,136.10

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Solution

The fourth proportional to 153,999.70, 230,999.55 and 104,136.10 is: 156,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,999.70 : 230,999.55 = 104,136.10 : x
  2. Step 2: Convert to fraction form
    153,999.70/230,999.55 = 104,136.10/x
  3. Step 3: Cross multiply
    153,999.70x = 230,999.55 × 104,136.10
  4. Step 4: Simplify right side
    153,999.70x = 24,055,392,238.76
  5. Step 5: Solve for x
    x = 24,055,392,238.76/153,999.70
  6. Step 6: Final answer
    x = 156,204.15

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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.