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Finding the Fourth Proportional to 176,012.40, 264,018.60 and 156,658.80

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Solution

The fourth proportional to 176,012.40, 264,018.60 and 156,658.80 is: 234,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,012.40 : 264,018.60 = 156,658.80 : x
  2. Step 2: Convert to fraction form
    176,012.40/264,018.60 = 156,658.80/x
  3. Step 3: Cross multiply
    176,012.40x = 264,018.60 × 156,658.80
  4. Step 4: Simplify right side
    176,012.40x = 41,360,837,053.68
  5. Step 5: Solve for x
    x = 41,360,837,053.68/176,012.40
  6. Step 6: Final answer
    x = 234,988.20

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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.