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Finding the Fourth Proportional to 177,920.86, 266,881.76 and 65,552.39

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Solution

The fourth proportional to 177,920.86, 266,881.76 and 65,552.39 is: 98,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,920.86 : 266,881.76 = 65,552.39 : x
  2. Step 2: Convert to fraction form
    177,920.86/266,881.76 = 65,552.39/x
  3. Step 3: Cross multiply
    177,920.86x = 266,881.76 × 65,552.39
  4. Step 4: Simplify right side
    177,920.86x = 17,494,736,887.64
  5. Step 5: Solve for x
    x = 17,494,736,887.64/177,920.86
  6. Step 6: Final answer
    x = 98,328.76

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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.