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Finding the Fourth Proportional to 118,569.50, 177,854.26 and 48,448.76

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Solution

The fourth proportional to 118,569.50, 177,854.26 and 48,448.76 is: 72,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,569.50 : 177,854.26 = 48,448.76 : x
  2. Step 2: Convert to fraction form
    118,569.50/177,854.26 = 48,448.76/x
  3. Step 3: Cross multiply
    118,569.50x = 177,854.26 × 48,448.76
  4. Step 4: Simplify right side
    118,569.50x = 8,616,818,357.72
  5. Step 5: Solve for x
    x = 8,616,818,357.72/118,569.50
  6. Step 6: Final answer
    x = 72,673.14

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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.