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Finding the Fourth Proportional to 251,413.66, 376,954.02 and 99,510.10

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Solution

The fourth proportional to 251,413.66, 376,954.02 and 99,510.10 is: 149,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,413.66 : 376,954.02 = 99,510.10 : x
  2. Step 2: Convert to fraction form
    251,413.66/376,954.02 = 99,510.10/x
  3. Step 3: Cross multiply
    251,413.66x = 376,954.02 × 99,510.10
  4. Step 4: Simplify right side
    251,413.66x = 37,510,732,225.60
  5. Step 5: Solve for x
    x = 37,510,732,225.60/251,413.66
  6. Step 6: Final answer
    x = 149,199.26

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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.