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Finding the Fourth Proportional to 144,658.36, 199,582.40 and 93,710.15

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Solution

The fourth proportional to 144,658.36, 199,582.40 and 93,710.15 is: 129,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,658.36 : 199,582.40 = 93,710.15 : x
  2. Step 2: Convert to fraction form
    144,658.36/199,582.40 = 93,710.15/x
  3. Step 3: Cross multiply
    144,658.36x = 199,582.40 × 93,710.15
  4. Step 4: Simplify right side
    144,658.36x = 18,702,895,877.72
  5. Step 5: Solve for x
    x = 18,702,895,877.72/144,658.36
  6. Step 6: Final answer
    x = 129,290.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.