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Finding the Fourth Proportional to 216,125.71, 323,925.97 and 152,964.24

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Solution

The fourth proportional to 216,125.71, 323,925.97 and 152,964.24 is: 229,260.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,125.71 : 323,925.97 = 152,964.24 : x
  2. Step 2: Convert to fraction form
    216,125.71/323,925.97 = 152,964.24/x
  3. Step 3: Cross multiply
    216,125.71x = 323,925.97 × 152,964.24
  4. Step 4: Simplify right side
    216,125.71x = 49,549,089,817.31
  5. Step 5: Solve for x
    x = 49,549,089,817.31/216,125.71
  6. Step 6: Final answer
    x = 229,260.51

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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.