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Finding the Fourth Proportional to 118,117.30, 177,175.95 and 118,117.30

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Solution

The fourth proportional to 118,117.30, 177,175.95 and 118,117.30 is: 177,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,117.30 : 177,175.95 = 118,117.30 : x
  2. Step 2: Convert to fraction form
    118,117.30/177,175.95 = 118,117.30/x
  3. Step 3: Cross multiply
    118,117.30x = 177,175.95 × 118,117.30
  4. Step 4: Simplify right side
    118,117.30x = 20,927,544,838.94
  5. Step 5: Solve for x
    x = 20,927,544,838.94/118,117.30
  6. Step 6: Final answer
    x = 177,175.95

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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.