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Finding the Fourth Proportional to 118,276.30, 177,414.45 and 56,068.30

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Solution

The fourth proportional to 118,276.30, 177,414.45 and 56,068.30 is: 84,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,276.30 : 177,414.45 = 56,068.30 : x
  2. Step 2: Convert to fraction form
    118,276.30/177,414.45 = 56,068.30/x
  3. Step 3: Cross multiply
    118,276.30x = 177,414.45 × 56,068.30
  4. Step 4: Simplify right side
    118,276.30x = 9,947,326,606.94
  5. Step 5: Solve for x
    x = 9,947,326,606.94/118,276.30
  6. Step 6: Final answer
    x = 84,102.45

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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.