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Finding the Fourth Proportional to 176,186.40, 264,279.60 and 65,421.60

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Solution

The fourth proportional to 176,186.40, 264,279.60 and 65,421.60 is: 98,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,186.40 : 264,279.60 = 65,421.60 : x
  2. Step 2: Convert to fraction form
    176,186.40/264,279.60 = 65,421.60/x
  3. Step 3: Cross multiply
    176,186.40x = 264,279.60 × 65,421.60
  4. Step 4: Simplify right side
    176,186.40x = 17,289,594,279.36
  5. Step 5: Solve for x
    x = 17,289,594,279.36/176,186.40
  6. Step 6: Final answer
    x = 98,132.40

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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.