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Finding the Fourth Proportional to 232,658.70, 349,316.10 and 144,085.20

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Solution

The fourth proportional to 232,658.70, 349,316.10 and 144,085.20 is: 216,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,658.70 : 349,316.10 = 144,085.20 : x
  2. Step 2: Convert to fraction form
    232,658.70/349,316.10 = 144,085.20/x
  3. Step 3: Cross multiply
    232,658.70x = 349,316.10 × 144,085.20
  4. Step 4: Simplify right side
    232,658.70x = 50,331,280,131.72
  5. Step 5: Solve for x
    x = 50,331,280,131.72/232,658.70
  6. Step 6: Final answer
    x = 216,330.96

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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.