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Finding the Fourth Proportional to 201,585.51, 302,421.99 and 61,340.49

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Solution

The fourth proportional to 201,585.51, 302,421.99 and 61,340.49 is: 92,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,585.51 : 302,421.99 = 61,340.49 : x
  2. Step 2: Convert to fraction form
    201,585.51/302,421.99 = 61,340.49/x
  3. Step 3: Cross multiply
    201,585.51x = 302,421.99 × 61,340.49
  4. Step 4: Simplify right side
    201,585.51x = 18,550,713,053.38
  5. Step 5: Solve for x
    x = 18,550,713,053.38/201,585.51
  6. Step 6: Final answer
    x = 92,024.04

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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.