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Finding the Fourth Proportional to 243,386.54, 365,210.51 and 101,329.87

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Solution

The fourth proportional to 243,386.54, 365,210.51 and 101,329.87 is: 152,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,386.54 : 365,210.51 = 101,329.87 : x
  2. Step 2: Convert to fraction form
    243,386.54/365,210.51 = 101,329.87/x
  3. Step 3: Cross multiply
    243,386.54x = 365,210.51 × 101,329.87
  4. Step 4: Simplify right side
    243,386.54x = 37,006,732,766.03
  5. Step 5: Solve for x
    x = 37,006,732,766.03/243,386.54
  6. Step 6: Final answer
    x = 152,049.22

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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.