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Finding the Fourth Proportional to 118,365.79, 177,573.62 and 38,397.51

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Solution

The fourth proportional to 118,365.79, 177,573.62 and 38,397.51 is: 57,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,365.79 : 177,573.62 = 38,397.51 : x
  2. Step 2: Convert to fraction form
    118,365.79/177,573.62 = 38,397.51/x
  3. Step 3: Cross multiply
    118,365.79x = 177,573.62 × 38,397.51
  4. Step 4: Simplify right side
    118,365.79x = 6,818,384,657.70
  5. Step 5: Solve for x
    x = 6,818,384,657.70/118,365.79
  6. Step 6: Final answer
    x = 57,604.35

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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.