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Finding the Fourth Proportional to 204,501.50, 282,139.02 and 118,413.50

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Solution

The fourth proportional to 204,501.50, 282,139.02 and 118,413.50 is: 163,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,501.50 : 282,139.02 = 118,413.50 : x
  2. Step 2: Convert to fraction form
    204,501.50/282,139.02 = 118,413.50/x
  3. Step 3: Cross multiply
    204,501.50x = 282,139.02 × 118,413.50
  4. Step 4: Simplify right side
    204,501.50x = 33,409,068,844.77
  5. Step 5: Solve for x
    x = 33,409,068,844.77/204,501.50
  6. Step 6: Final answer
    x = 163,368.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.