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Finding the Fourth Proportional to 301,413.24, 452,130.80 and 91,053

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Solution

The fourth proportional to 301,413.24, 452,130.80 and 91,053 is: 136,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,413.24 : 452,130.80 = 91,053 : x
  2. Step 2: Convert to fraction form
    301,413.24/452,130.80 = 91,053/x
  3. Step 3: Cross multiply
    301,413.24x = 452,130.80 × 91,053
  4. Step 4: Simplify right side
    301,413.24x = 41,167,865,277.14
  5. Step 5: Solve for x
    x = 41,167,865,277.14/301,413.24
  6. Step 6: Final answer
    x = 136,582.80

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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.