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Finding the Fourth Proportional to 152,347.59, 228,447.54 and 76,413.51

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Solution

The fourth proportional to 152,347.59, 228,447.54 and 76,413.51 is: 114,583.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,347.59 : 228,447.54 = 76,413.51 : x
  2. Step 2: Convert to fraction form
    152,347.59/228,447.54 = 76,413.51/x
  3. Step 3: Cross multiply
    152,347.59x = 228,447.54 × 76,413.51
  4. Step 4: Simplify right side
    152,347.59x = 17,456,478,382.27
  5. Step 5: Solve for x
    x = 17,456,478,382.27/152,347.59
  6. Step 6: Final answer
    x = 114,583.23

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1.5x scale

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.