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Finding the Fourth Proportional to 301,696.70, 452,545.05 and 91,345.10

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Solution

The fourth proportional to 301,696.70, 452,545.05 and 91,345.10 is: 137,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,696.70 : 452,545.05 = 91,345.10 : x
  2. Step 2: Convert to fraction form
    301,696.70/452,545.05 = 91,345.10/x
  3. Step 3: Cross multiply
    301,696.70x = 452,545.05 × 91,345.10
  4. Step 4: Simplify right side
    301,696.70x = 41,337,772,846.76
  5. Step 5: Solve for x
    x = 41,337,772,846.76/301,696.70
  6. Step 6: Final answer
    x = 137,017.65

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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.