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Finding the Fourth Proportional to 118,006.80, 177,010.20 and 94,678.80

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Solution

The fourth proportional to 118,006.80, 177,010.20 and 94,678.80 is: 142,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,006.80 : 177,010.20 = 94,678.80 : x
  2. Step 2: Convert to fraction form
    118,006.80/177,010.20 = 94,678.80/x
  3. Step 3: Cross multiply
    118,006.80x = 177,010.20 × 94,678.80
  4. Step 4: Simplify right side
    118,006.80x = 16,759,113,323.76
  5. Step 5: Solve for x
    x = 16,759,113,323.76/118,006.80
  6. Step 6: Final answer
    x = 142,018.20

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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.