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Finding the Fourth Proportional to 371,530.02, 557,294.94 and 91,044.84

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Solution

The fourth proportional to 371,530.02, 557,294.94 and 91,044.84 is: 136,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,530.02 : 557,294.94 = 91,044.84 : x
  2. Step 2: Convert to fraction form
    371,530.02/557,294.94 = 91,044.84/x
  3. Step 3: Cross multiply
    371,530.02x = 557,294.94 × 91,044.84
  4. Step 4: Simplify right side
    371,530.02x = 50,738,828,645.11
  5. Step 5: Solve for x
    x = 50,738,828,645.11/371,530.02
  6. Step 6: Final answer
    x = 136,567.24

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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.