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Finding the Fourth Proportional to 365,869.94, 548,668.51 and 125,916.80

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Solution

The fourth proportional to 365,869.94, 548,668.51 and 125,916.80 is: 188,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,869.94 : 548,668.51 = 125,916.80 : x
  2. Step 2: Convert to fraction form
    365,869.94/548,668.51 = 125,916.80/x
  3. Step 3: Cross multiply
    365,869.94x = 548,668.51 × 125,916.80
  4. Step 4: Simplify right side
    365,869.94x = 69,086,579,981.83
  5. Step 5: Solve for x
    x = 69,086,579,981.83/365,869.94
  6. Step 6: Final answer
    x = 188,828.25

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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.